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GS Paper: GS1-14.Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.,

  • Heat domes, anticyclones and climate change: What’s causing heat waves across the world?

     

    What’s the news?

    • The average daily global temperature on Thursday was recorded at 17.12 degrees Celsius, encompassing measurements over land, ocean, ice sheets, and mountainous snow regions.

    Central idea

    • In a concerning announcement, the National Oceanic and Atmospheric Administration (NOAA) declared June as the hottest month ever recorded on Earth since temperature tracking began 174 years ago. The heatwave has persisted into July, with 18 out of the first 20 days witnessing unprecedented average daily global temperatures.

    What is Heat-wave?

    It is a period of unusually hot weather that typically lasts two or more days, but there is no universally accepted definition of a heatwave. (Image: News18 Creative)

    • A heatwave is a prolonged period of abnormally hot weather.
    • Heatwaves usually last for several days or weeks and can occur in both dry and humid
    • Characterized by temperatures that are significantly higher than the average for a particular region during that time of year.

    What are heat domes?

    Heat Waves and Heat Dome | 20 Jul 2021

    • A heat dome occurs when an area of high-pressure stays over a region for days and weeks. It traps warm air, just like a lid on a pot, for an extended period.
    • The longer that air remains trapped, the more the sun works to heat the air, producing warmer conditions with every passing day.
    • Heat domes, if they last for a long period, may cause deadly heat waves.

    What are Anticyclones?

    • An anticyclone, also known as a high-pressure system, is essentially an area of high pressure in which the air goes downwards towards the Earth’s surface.
    • As the air sinks, its molecules get compressed, which increases the pressure, making it warmer. This causes dry and hot weather.
    • The winds remain calm and gentle during an anticyclone, and there is almost no formation of clouds because here the air sinks rather than rises.

    Factors behind this scorching trend?

    • Climate change: The primary driver behind the escalating heatwaves and rising global temperatures is human-induced climate change.
    • The burning of fossil fuels, deforestation, industrial processes, and other human activities release greenhouse gases, such as carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O), into the atmosphere. These gases trap heat and lead to the greenhouse effect, resulting in the warming of the Earth’s surface.
    • El Nino events, characterized by abnormal warming of surface waters in the equatorial Pacific Ocean, can elevate temperatures worldwide and exacerbate heatwaves.
    • Heat domes and anticyclones are weather phenomena that can intensify and extend heatwaves.
    • Warmer oceans release more heat into the atmosphere, fueling extreme weather events like heatwaves.
    • Urban areas with concrete and asphalt surfaces can create heat islands that retain and amplify heat, leading to higher temperatures within cities compared to surrounding rural areas.
    • Climate change can trigger feedback loops that amplify its effects. For example, melting ice in the Arctic reduces the Earth’s reflective surface, leading to increased absorption of sunlight and further warming.

    *NOTE: Although heat domes and anticyclones don’t occur due to climate change, they have become more intense and longer as a result of soaring global temperatures.

    Impact of Heatwaves

    1.Human Health Impacts:

    • Heat-related Illnesses: Heatwaves can cause heat-related illnesses such as heat exhaustion and heatstroke, which can be life-threatening if not treated promptly. The elderly, young children, and individuals with pre-existing health conditions are more vulnerable.
    • Dehydration: High temperatures and excessive sweating can lead to dehydration, especially if individuals do not consume enough fluids.

    2.Impact on Agriculture:

    • Crop Failure: Prolonged heatwaves can cause damage to crops and reduce agricultural yields due to drought conditions and water shortages.
    • Livestock Stress: High temperatures can lead to heat stress in livestock, affecting their productivity and overall health.

    3.Environmental Impact:

    • Drought: Heatwaves can contribute to drought conditions by increasing evaporation and reducing water availability, leading to water scarcity and affecting ecosystems.
    • Wildfires: Hot and dry conditions during heatwaves can increase the risk of wildfires, leading to extensive damage to forests and wildlife habitats.
    • Water Quality: Heatwaves can lead to higher water temperatures, which may negatively impact aquatic ecosystems and decrease water quality.

    4.Energy Demand and Infrastructure Stress:

    • Increased Energy Consumption: Heatwaves result in higher energy demand due to the use of air conditioning and cooling systems, putting strain on the power grid.
    • Power Outages: The increased demand for electricity during heatwaves can lead to power outages if the electrical infrastructure becomes overloaded.

    5.Social and Economic Impact:

    • Disruption of Daily Activities: Heatwaves can disrupt daily life, making it uncomfortable to work, travel, or engage in outdoor activities.
    • Economic Losses: Heatwaves can result in productivity losses, increased healthcare costs, and damage to infrastructure, leading to economic impacts on communities and businesses.

    Worse affected countries

    • United States: North America, particularly the United States, has experienced prolonged heatwaves covering a large swath of the country. States like California, Florida, New Mexico, and Arizona have been experiencing extreme temperatures. Temperature remained around 43.3 degree Celsius.
    • Europe: Countries in Europe, such as Italy and Greece, have been gripped by two consecutive heatwaves. Italy’s island of Sardinia saw temperatures reaching 47.7 degrees Celsius, and Greece experienced temperatures exceeding 40 degrees Celsius, leading to wildfires and affecting historical sites.
    • Spain: Spain witnessed a temperature of 45.4 degrees Celsius in the town of Figueres, the highest temperature recorded in the country since 1928. It led to dry spells and wildfires.
    • Asia: China, Iraq and Saudi Arabia remain some of the worst affected countries. A remote township in China saw temperatures touching 52 degree Celsius
    • Algeria: North Africa’s Algeria has reported record-breaking temperatures, with some experts suggesting temperatures exceeding 50 degrees Celsius in certain areas.
    • Tunisia: Tunisia has also been impacted by severe heatwaves, with temperatures reaching up to 49 degrees Celsius in some regions.

    Mains Marks enhancer: Best Practices in India

    • Andhra Pradesh:
      • Setting up Heat Action Plans: Cities like Vijayawada have implemented Heat Action Plans that include public awareness campaigns, heat helplines, and designated cooling centers to provide relief to vulnerable populations.
    • Telangana:
      • Early Warning Systems: The Telangana State Development Planning Society issues heatwave alerts and early warnings to district authorities and the public, allowing them to take precautionary measures.
    • Rajasthan:
      • Urban Heat Island Mitigation: Cities like Jaipur have implemented measures to reduce the urban heat island effect by promoting green spaces, reflective surfaces, and better urban planning.
    • Gujarat:
      • Cool Roofs: The Gujarat government has encouraged the use of cool roofs in buildings to reflect sunlight and reduce indoor temperatures during heatwaves.
    • Tamil Nadu:
      • Heatwave Awareness Programs: The Tamil Nadu government conducts awareness programs through schools, colleges, and community organizations to educate people about heatwave safety and preparedness.

    Way forward: Urgent actions needed

    • The international community must strengthen and implement the commitments made under climate agreements, such as the Paris Agreement.
    • Countries should set more ambitious targets for reducing greenhouse gas emissions
    • Provide support to developing nations to enhance climate resilience and adaptation.
    • Prioritize the transition to renewable energy sources and invest in clean technologies.
    • Develop robust adaptation strategies such as involves establishing heat emergency response plans, cooling centers, and public awareness campaigns.
    • Cities should adopt green urban planning practices, incorporating green spaces, green roofs, and sustainable building designs to mitigate the urban heat island effect and promote natural cooling.
    • Promote sustainable land management practices, including reforestation and afforestation
    • Enhance early warning systems to detect and respond to extreme heat events promptly.

    Conclusion

    • The alarming surge in global temperatures, culminating in devastating heatwaves across continents, is a potent reminder of the urgency to combat climate change. As nations grapple with the immediate impacts of heatwaves, it is imperative to take collective action to reduce greenhouse gas emissions, mitigate the effects of climate change, and safeguard the planet for future generations. The time to act is now; the consequences of inaction are too dire to ignore.

    Also read:

    Heatwaves in India: Increasing Frequency Needs Range of Measures to Mitigate

  • Places in news: Iriomote Island

    Central Idea

    • A notable example of colony resilience during a bleaching event is found near Japan’s Iriomote Island, where a colony bleached in 2016 exhibited signs of recovery by 2020.

    About Iriomote Island

    • Iriomote Island is a picturesque island located in the Yaeyama Islands, part of Okinawa Prefecture in Japan.
    • It is the largest and southernmost inhabited island in the Yaeyama archipelago.
    • With its lush jungles, mangrove forests, and diverse wildlife, Iriomote Island is often referred to as the “Galapagos of the East.”
    • It is home to the Iriomote Yamaneko, or Iriomote cat, which is a critically endangered species of wildcat found only on this island.
    • The dense mangrove forests along the island’s rivers and estuaries serve as an important habitat for numerous species of birds, fish, and other wildlife.
    • To preserve the island’s unique ecosystem and cultural heritage, Iriomote Island is part of the Iriomote-Ishigaki National Park.

    Back2Basics: Coral Reefs and Coral Bleaching

    coral

    • Corals are marine invertebrates that form colonies of polyps, which multiply and create reef structures.
    • Hard corals extract calcium carbonate to build hard exoskeletons, while soft corals add their skeletons to create coral reefs.
    • Corals have a mutually beneficial relationship with single-celled algae called zooxanthellae.
    • The zooxanthellae provide food and nutrients through photosynthesis, while corals provide a home and essential nutrients.
    • The zooxanthellae give corals their vibrant colors.

    Understanding Coral Bleaching

    • Causes of Bleaching: Environmental stressors like temperature changes, pollution, and high ocean acidity lead to coral bleaching.
    • Bleaching Process: Stressed corals expel the zooxanthellae, revealing their pale exoskeletons and disrupting the symbiotic relationship.
    • Impacts of Bleaching: Severe and prolonged bleaching events can result in coral death and the loss of biodiversity.

    Climate Change’s Impact on Coral Reefs

    • Warming Seas: Rising carbon emissions and greenhouse gases have caused increased global warming, resulting in warmer ocean temperatures.
    • Mass Bleaching: The frequency and intensity of mass bleaching events have risen in recent decades due to climate change.
    • Projections: Even with greenhouse gas reduction efforts, temperatures are expected to rise by 1.5°C to 2°C by the end of the century.

    Significance of Coral Reefs

    • Biodiversity Hotspots: Coral reefs support over 25% of marine biodiversity despite covering only 1% of the seafloor.
    • Economic Value: Reefs contribute $2.7 trillion annually through trade, tourism, and employment opportunities.
    • Environmental Protection: Coral reefs provide habitat and serve as a natural defense against storm waves.
    • Regeneration Potential: Dead reefs can recover if sufficient fish species graze on the weeds that settle on dead corals, although the process takes several years.

  • How to prevent disruptions by flood and extreme weather events

    What is the news?

    • The recent floods and extreme weather events in north-western India and Delhi highlight the urgent need for cities across the country to prepare for and adapt to the increasing impacts of climate change.

    Central Idea

    • As global and local warming intensify, the frequency and intensity of extreme weather events such as floods, water scarcity, and heatwaves will grow exponentially. Our current governance, planning, and infrastructure systems are ill-equipped to handle these rapid changes, necessitating proactive measures to mitigate future disruption

    Challenges in urban areas

    • Inadequate Water, Sanitation, and Drainage Infrastructure: Urban areas face challenges in providing basic services such as water supply, sanitation, drainage, and wastewater management. The existing infrastructure is often insufficient and struggles to deliver these services effectively.
    • Concentration of Population and Economic Output: Cities concentrate a large portion of the population and economic activities, which increases their vulnerability to climate impacts. The dense built-up areas, coupled with poor infrastructure, exacerbate the effects of extreme weather events like flooding, water scarcity, and heatwaves.
    • Irrational Land Use and Planning Systems: The irrational land use practices and planning systems worsen the challenges faced by cities. Encroachments, illegal constructions, and improper zoning further amplify the vulnerability of urban areas to climate impacts.
    • Vulnerability of Informal Settlements and Slums: Millions of people are forced to live in informal settlements and slums with inadequate infrastructure and services. These areas are highly vulnerable to climate impacts, leading to increased risks and hardships for the residents.
    • Impacts on Sensitive Regions: Cities located in sensitive regions along coastlines, rivers, and hills face even more severe impacts due to higher exposure and locational vulnerability. They are more prone to flooding, landslides, and other extreme events.

    How to prevent disruptions by flood and extreme weather events?

    • Ensuring Effective Drainage Systems:
    • Urban civic bodies must conduct regular audits ahead of the monsoon season to ensure stormwater drains, tanks, and lakes are functional and free from obstructions.
    • Integrating drainage, water supply, and wastewater systems in the medium term can store intense rainfall, recharge groundwater, and provide better services, ultimately limiting waterborne diseases.
    • Improving Road Infrastructure:
    • Rapid urban expansion has outpaced planned drainage systems, resulting in roads functioning as makeshift stormwater drains.
    • Addressing local flooding requires the improvement of road construction and repair practices. Infrastructure planning and coordination should account for the impact of new constructions, such as flyovers, underpasses, and metro lines, on existing drainage systems to prevent post-flooding traffic bottlenecks.
    • Implementing Blue-Green-Grey Infrastructure:
    • Adopting blue-green-grey infrastructure, such as green roofs, urban forests, and wetlands, can mitigate flooding, water scarcity, and heatwaves.
    • Learning from initiatives like China’s sponge cities and the effective flood defense mechanism provided by East Kolkata’s wetlands, Indian cities should prioritize nature-based solutions.
    • Reducing Flood Vulnerability:
    • Leveraging high-resolution satellite and topographical data, India can map all its cities and identify flood-prone areas. The focus should then shift to addressing the vulnerability of communities living in these areas, such as those along riverbanks, low-lying regions, and unstable slopes.
    • Building community-based resilience and enhancing evacuation strategies will be crucial in minimizing the dislocation of millions during extreme events.
    • Strengthening Early Warning Systems:
    • Building on the progress made in improving forecasting, early warning, and evacuation systems in large cities like Mumbai and Surat, India must extend these measures to other at-risk areas.
    • Additionally, critical services such as cellphone, power, and water supply should be fortified to ensure their resilience and rapid recovery post-disaster

    Way forward

    • Integrated Climate Action Plans: Develop comprehensive climate action plans involving multiple stakeholders to address floods and extreme weather events.
    • Upgrading Infrastructure: Invest in resilient infrastructure, including improved drainage systems, upgraded road infrastructure, and integration of green infrastructure to manage stormwater and reduce flood risks.
    • Robust Early Warning Systems: Strengthen early warning systems by improving forecasting capabilities, enhancing communication channels, and conducting regular drills and awareness campaigns.
    • Community Engagement and Resilience: Empower local communities, educate residents about flood risks, promote preparedness, and encourage sustainable practices such as rainwater harvesting and waste management.
    • Policy and Regulatory Frameworks: Develop and enforce robust policy and regulatory frameworks that integrate climate considerations to prevent encroachments and ensure resilient urban development.
    • Climate Financing: Explore climate financing mechanisms and partnerships to secure funding for climate adaptation projects, leveraging national and international funds, private sector entities, and climate finance initiatives.
    • Capacity Building and Knowledge Exchange: Enhance capacity through training programs and knowledge exchange platforms for urban planners, officials, and community leaders to accelerate the adoption of effective flood and extreme weather mitigation strategies

    Conclusion

    • Protecting and preparing Indian cities for the future impacts of climate change is imperative. It is crucial to acknowledge that climate change is a harsh reality requiring collective adaptation efforts, regardless of socio-economic status. By implementing these measures, Indian cities can enhance their climate resilience and safeguard the well-being of their inhabitants

    Also read:

    The lesson from a monsoon-battered North India: Time to be prepared

     

  • EU Nature Restoration Law faces backlash from Farmers

    eu nature restoration

    Central Idea

    • The EU Parliament’s approval of a nature restoration law has sparked backlash and debate over plans to protect endangered ecosystems.
    • The law is a crucial part of the European Green Deal and aims to address the extinction of species and restore damaged habitats.

    Nature Restoration Law: Why in news?

    • Objectives: The law aims to restore 30% of terrestrial, coastal, freshwater, and marine habitats by 2030, which are currently in poor condition.
    • Resistance: Farmers and conservative lawmakers strongly oppose the legislation, particularly concerning plans to restore drained peatlands. They argue that valuable agricultural land may be lost, leading to economic and social consequences and potential food security risks.

    Importance of Peatlands and Environmental Impact

    • Peatland Carbon Storage: Peatlands, wetland ecosystems formed over thousands of years, store more carbon than any other ecosystem. They absorb nearly twice as much carbon dioxide as all of the Earth’s forests combined.
    • Drained Peatlands: When peatlands are drained for agriculture or other purposes, they transition from being carbon sinks to significant greenhouse gas sources, contributing to emissions.
    • European Peatlands: More than half of Europe’s peatlands have been permanently damaged, leading to approximately 7% of the continent’s greenhouse gas emissions.

    Calls for Rewetting and Paradigm Shift

    • Rewetting Peatlands: The proposed legislation includes plans to rewet 50% of former peatlands in Europe, aiming to restore their environmental functions and mitigate climate change.
    • Paradigm Shift in Agriculture: Experts advocate for a paradigm shift in agriculture, moving away from farming on drained peatlands and investing in paludiculture (farming on wetlands), which is agriculture on rewetted peat soil. This approach would stop carbon emissions while improving soil and water quality.

    Political Challenges and Compromises

    • Opposition by Conservative Groups: Conservative groups, including the European People’s Party, seek to reduce the scope of wetland restoration plans and oppose the conversion of agricultural land.
    • Concerns and Dissemination of Misinformation: Critics claim that villages could be cleared for wetland restoration, leading to economic and social fallout. However, these claims have been labeled as misinformation and populist.

    Economic and Environmental Benefits

    • Long-Term Economic Return: The European Commission estimates that every euro invested in restoring natural resources would yield at least eight times the economic return over the long term.
    • Sustainable Land Use: While rewetted land may not support traditional monocultures, it could enable the growth of other crops, such as timber, grasses, and reeds for insulation materials and organic plastic substitutes. Revitalized areas could also become grazing grounds for alternative livestock.

    Conclusion

    • The approval of the EU nature restoration law has sparked a debate between environmental conservation and agricultural interests.
    • While farmers express concerns over the potential loss of agricultural land and economic impact, environmentalists argue for the restoration of threatened ecosystems and the long-term benefits of sustainable land use.
    • The implementation of the law will play a crucial role in achieving the ambitious climate and biodiversity targets set by the European Green Deal.

     

  • A Stocktake before the Global Stocktake

    Central Idea

    • The recently concluded Bonn Climate Change Conference marked a significant milestone in global climate negotiations, setting the stage for the upcoming Global Stocktake at COP28 in Dubai. The outcomes of the Global Stocktake will guide countries in updating and enhancing their climate action plans

    Relevance of the topic

    • Mobilizing climate finance is crucial to support climate mitigation and adaptation measures.
    • Developing countries, particularly those most vulnerable to climate impacts, require financial resources to implement projects that reduce greenhouse gas emissions, build resilience, and adapt to changing climatic conditions.
    • Questions on Climate change mitigation efforts, conferences and outcomes have been asked multiple times. Negotiations on Climate finance is often in the headlines.

    What is The Global Stocktake?

    • The Global Stocktake mandated under Article 14(1) of the Paris Agreement, aims to assess collective progress towards long-term global climate goals, including greenhouse gas reduction, building climate resilience, and securing adequate finance.

    key aspects of the Global Stocktake under the Paris Agreement

    • Assessment of Progress: The primary purpose of the Global Stocktake is to assess collective progress made by countries in achieving the long-term goals of the Paris Agreement. This includes evaluating the implementation of countries’ nationally determined contributions (NDCs) and assessing the overall effectiveness of global climate actions.
    • Review of Mitigation Efforts: The Stocktake examines the mitigation efforts undertaken by countries to reduce greenhouse gas emissions. It evaluates the adequacy and ambition of these efforts limiting global temperature rise to well below 2 degrees Celsius above pre-industrial levels and pursuing efforts to limit the increase to 1.5 degrees Celsius.
    • Assessment of Adaptation Measures: The Stocktake also considers the progress and effectiveness of adaptation measures implemented by countries to address the impacts of climate change. It assesses the extent to which countries are building resilience and adapting to the changing climate conditions.
    • Evaluation of Climate Finance: It examines the mobilization and allocation of financial resources to support climate actions, particularly from developed to developing countries. The Stocktake reviews progress towards the commitment of developed countries to jointly mobilize $100 billion annually by 2020 to support climate mitigation and adaptation efforts in developing nations.
    • Technology Transfer and Capacity Building: The Stocktake reviews the efforts made in technology transfer and capacity-building activities to support developing countries in their climate actions. It assesses the provision of technology, knowledge, and technical assistance to enhance the capabilities of developing nations in implementing climate solutions.
    • Transparency and Reporting: Transparency and accountability are integral components of the Stocktake process. The Stocktake ensures that countries provide accurate and reliable information to facilitate an objective assessment of global progress.
    • Informing Future Climate Action: It provides guidance for countries to set more ambitious targets in their subsequent rounds of NDCs. The Stocktake also identifies areas where additional efforts and support are required to bridge the emissions gap and accelerate progress towards the Paris Agreement goals.

    Outcomes of the Bonn Conference

    • Progress on Just Transition Pathways: Negotiators at the Bonn Conference made advancements in the development of ‘just transition pathways.’ The pathways will be further refined and finalized at COP28, with a focus on sectors such as energy and transport.
    • Emphasis on Ambitious Emission Reduction Efforts: The Bonn Conference highlighted the need for developing countries to enhance their emission reduction efforts. It emphasized that ambitious actions are crucial for achieving the goal of limiting global temperature rise.
    • Integration of Socio-economic Considerations: The conference underscored the importance of integrating socio-economic components into climate strategies. This approach recognizes the specific needs and priorities of each country, allowing for the alignment of low-carbon development pathways with broader sustainable development objectives.
    • Review of Climate Finance: The Bonn Conference brought attention to the issue of climate finance. The conference emphasized the need for improved accounting mechanisms and universal metrics to accurately track and allocate climate finance. It also highlighted the importance of involving institutions like the World Bank in climate finance discussions to enhance transparency and accountability.
    • Advancement of Mitigation Work Programme: The conference discussed the Mitigation Work Programme, which aims to scale up mitigation efforts in this decade. The work programme aligns with the goals of the Global Stocktake and aims to accelerate global mitigation actions

    Challenges in Mobilizing Climate Finance

    • Insufficient Funds: One of the main challenges is the insufficiency of funds dedicated to climate finance. The commitment made by developed countries to mobilize $100 billion annually by 2020 for climate finance has not been fully met. Many observers argue that only a fraction of this target has been realized.
    • Accounting and Transparency: There is a need for improved accounting mechanisms and transparency in climate finance. Ensuring accurate tracking, reporting, and verification of financial flows for climate action is essential.
    • Adaptation Finance Gap: Adaptation finance, which supports efforts to adapt to the impacts of climate change, lags behind mitigation finance. While there is a growing recognition of the importance of adaptation, the provision of financial resources for adaptation projects and programs remains limited
    • Complexity of International Financial Flows: The complexity of international financial flows poses a challenge in effectively channeling climate finance to where it is needed most.
    • Accountability and Conditionality: The conditionality of climate finance can also be a challenge, as the terms and conditions attached to financial assistance may not always align with the priorities and circumstances of the receiving countries.

    Way forward

    • Fulfilling Financial Commitments: Developed countries must fulfill their commitment to jointly mobilize $100 billion annually for climate finance, as agreed upon at the 2009 Copenhagen Climate Change Conference. Efforts should be made to ensure that the committed funds are effectively mobilized and channeled.
    • Improving Accounting and Transparency: There is a need for improved accounting mechanisms and transparency in climate finance. Developing universally agreed-upon metrics for tracking climate finance will enhance transparency and ensure that financial resources are allocated and utilized effectively.
    • Bridging the Finance Gap: While mitigation finance has received significant attention, adaptation finance needs to be prioritized. Developing countries, particularly those vulnerable to climate impacts, require increased financial support to build resilience and adapt to changing climate conditions.
    • Mobilizing Public and Private Finance: Mobilizing climate finance requires a combination of public and private sector involvement. Governments should create an enabling environment for private investment in climate-friendly projects by providing policy certainty, risk reduction mechanisms, and incentives.
    • Enhancing Technology Transfer: Facilitating the transfer of climate-friendly technologies from developed to developing countries is essential. Developed countries should support technology transfer through financial and technical assistance, capacity building, and knowledge sharing.
    • Strengthening International Cooperation: Strengthening international cooperation and collaboration is crucial to mobilize climate finance effectively. Collaboration between governments, international financial institutions, and stakeholders is essential for scaling up climate finance.
    • Prioritizing Climate Finance in Global Agendas: Climate finance should be prioritized in global agendas and discussions. Ensuring adequate financial resources for climate action should be a key consideration in international negotiations, such as the Global Stocktake and COP meetings.

    Conclusion

    • The Bonn Climate Change Conference served as a critical milestone in climate negotiations, setting the stage for the Global Stocktake at COP28. The integration of socio-economic components in climate strategies and the involvement of the World Bank were also highlighted as essential elements in addressing the climate crisis. Moving forward, it is imperative to prioritize equity, justice, and fairness in climate action to ensure a sustainable and resilient future for all

     

  • Just Energy Transition Partnership (JETP)

    just energy

    Central Idea

    • Senegal has joined the Just Energy Transition Partnership (JETP) deal, becoming the fourth country to sign after South Africa, Indonesia, and Vietnam.
    • The deal aims to mobilize 5 billion euros in new financing for Senegal.

    What is Just Energy Transition Partnership (JETP)?

    • JETP is a financing mechanism that aims to support developing countries in their transition from fossil fuel-based energy systems to clean and renewable energy sources.
    • JETP is designed to bridge the gap between wealthier nations and coal-dependent developing nations, addressing both the environmental and social aspects of the energy transition.

    JETP Mechanism and Social Considerations

    • JETPs provide financing to developing countries to phase out coal and transition to clean energy.
    • Social aspects, such as protecting affected communities and providing job opportunities, are crucial in JETP plans.
    • Reskilling, upskilling, and creating new jobs are essential components of a just energy transition.

    Funding Sources and Donor Pool

    • JETP funding can be provided through grants, loans, or investments.
    • The International Partners Group (IPG) and the Glasgow Financial Alliance for Net Zero (GFANZ) Working Group are key contributors.
    • The IPG includes countries such as Japan, the USA, Canada, Denmark, France, Germany, Italy, Norway, the EU, and the UK.
    • The GFANZ Working Group comprises multilateral and national development banks and finance agencies.

    JETP Success Stories

    • South Africa was the first country to enter into a JETP at COP 26 Glasgow, with a pledge of 8.5 billion USD in financing.
    • Indonesia announced its JETP at the G20 Bali Summit, receiving an initial 20 billion USD in public and private financing.
    • Vietnam joined the JETP initiative, securing an initial fund of 15.5 billion USD over the next three to five years.

    Prospects for India’s Participation

    • Talks of a JET-P deal with India are ongoing but have not reached a final conclusion.
    • Challenges include the complexity of India’s coal-based power sector and financing in the form of loans.
    • India seeks favorable conditions and no compromise on energy security and development.

  • Groundwater extraction shifted the Earth’s axis: What a new study says

    Groundwater

    Central Idea

    • In a recent study, researchers have revealed that human activities, particularly the extraction of groundwater, have had a discernible impact on Earth’s axis and contributed to the rise in global sea levels. This phenomenon, known as polar motion, occurs as the mass distribution within and on the planet changes. While the shift in the axis may not have immediate real-life consequences, it underscores the significant influence of human actions on our planet’s delicate balance.

    *Relevance of the topic:

    *Important geological phenomenon and Contribution of human activities to climate change and its impact

    *Also, recent new research suggests that Earth’s inner core may now be rotating slower than its surface, potentially indicating a change in its rotational dynamics

    *Quick facts for prelims on geological phenomenon

    The phenomenon of Earth’s rotation

    • Rotation Axis: The Earth rotates around an imaginary line called the rotation axis, which runs through the North Pole, the center of the Earth, and the South Pole. This axis remains fixed in space, and the Earth completes one full rotation around it in approximately 24 hours.
    • Rotation Direction: The Earth rotates from west to east, which is why we perceive the sun and other celestial objects to rise in the east and set in the west.
    • Speed of Rotation: The Earth rotates at a relatively constant speed. The equator experiences the fastest rotational speed, which is approximately 1,670 kilometers per hour (1,040 miles per hour). The rotational speed gradually decreases towards the poles.
    • Effects of Rotation:
    1. Day and Night: As the Earth rotates, different parts of the planet are exposed to sunlight, creating the cycle of day and night.
    2. Coriolis Effect: The rotation of the Earth influences the movement of air and ocean currents, giving rise to the Coriolis effect. This effect causes moving objects (such as winds and ocean currents) to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
    3. Shape of the Earth: Earth’s rotation causes it to bulge slightly at the equator and flatten at the poles, resulting in an oblate spheroid shape.
    4. Centrifugal Force: The rotation generates a centrifugal force that slightly counteracts the force of gravity, leading to a slightly lower effective gravity at the equator compared to the poles.
    • Polar Motion: Earth’s axis and the location of the poles are not fixed and can undergo slight movements. This phenomenon, known as polar motion, occurs due to various factors, including mass redistribution within the Earth, changes in water distribution, and atmospheric pressure variations.

    The new findings of the study on the impact of groundwater extraction on Earth’s axis

    • Groundwater Extraction and Axis Shift: The study revealed that groundwater extraction plays a significant role in the shift of Earth’s rotational axis. The redistribution of groundwater resulting from activities like irrigation and meeting freshwater demands was found to be the largest contributor to the drift of the rotational pole.
    • Impact of Midlatitude Groundwater Extraction: The research showed that groundwater extraction from regions located at the Earth’s midlatitudes, specifically North America and northwestern India, had a more pronounced effect on polar motion compared to extraction taking place at the poles or equator. This finding highlights the sensitivity of the rotational pole to mass changes in midlatitude areas.
    • Contribution to Sea Level Rise: The study confirmed that groundwater extraction is a major contributor to the rise in global sea levels. The water extracted from the ground for various purposes eventually finds its way into the oceans. The researchers’ calculations aligned with previous studies, which estimated that groundwater extraction raised global sea levels by 6.24mm between 1993 and 2010

    Impact of Climate Change on Polar Motion

    • Changes in Water Mass Distribution: Climate change is causing significant changes in the distribution of water masses on Earth. The melting of glaciers, ice sheets, and polar ice caps contributes to the redistribution of water from land to the oceans. This alteration in water mass distribution affects the planet’s rotational dynamics, including polar motion.
    • Melting of Greenland’s Ice: Greenland’s ice sheet is particularly susceptible to climate change. As it melts, vast amounts of water are discharged into the surrounding oceans. This influx of water alters the distribution of mass on Earth, leading to shifts in the rotational axis.
    • Accelerated Rotational Axis Shift: Recent studies suggest that climate change has accelerated the shift of Earth’s rotational axis since the 1990s. The increased melting of glaciers and ice sheets, combined with other climate-driven changes in water distribution, has intensified the movement of the rotational axis compared to historical patterns.
    • Influence on Polar Motion Magnitude: Climate-driven changes in water mass distribution have been found to have a significant impact on the magnitude of polar motion. The redistribution of water, particularly from the melting of ice, affects the planet’s overall mass distribution, causing shifts in the rotational pole.

    What is the Significance of the Study?

    • Understanding Human Influence: The study highlights the significant influence of human activities, specifically groundwater extraction, on Earth’s rotational dynamics and polar motion. It emphasizes the need to recognize and account for human-induced changes in the delicate balance of the planet.
    • Environmental Consequences: By identifying groundwater extraction as a major contributor to global sea level rise, the study emphasizes the environmental consequences of excessive groundwater usage. It highlights the importance of sustainable groundwater management to mitigate the adverse effects on sea levels and coastal regions.
    • Climate Change Interactions: The findings establish a connection between climate change and Earth’s rotational dynamics. The study adds to the body of knowledge on how climate-driven changes in water distribution, including melting glaciers and ice sheets, can influence polar motion. Understanding these interactions contributes to a comprehensive understanding of climate change impacts.
    • Policy and Management Implications: The study provides valuable insights for policymakers, water resource managers, and environmental planners. It underscores the need to incorporate the impact of groundwater extraction on Earth’s axis and sea levels into decision-making processes. It highlights the urgency of implementing sustainable practices to manage groundwater resources effectively and mitigate adverse environmental effects.
    • Scientific Advancements: The study contributes to the field of geodesy, which focuses on the measurement and understanding of Earth’s shape, gravity, and rotation. It enhances our understanding of Earth’s rotational dynamics and the complex interactions between various factors influencing polar motion.

     Conclusion

    • The study’s results emphasize the need to recognize the far-reaching consequences of human activities on the Earth’s delicate equilibrium. Groundwater extraction, driven by agricultural and freshwater needs, has been found to impact the planet’s rotational axis, leading to polar motion and contributing to global sea level rise. Understanding these interactions is crucial for effective environmental management and sustainable practices to mitigate the adverse effects of human-induced changes on our planet

    Also read:

    Earth’s inner core rotating slower than surface: Study

     

  • New Collective Quantified Goal (NCQG) in Climate Financing

    bonn climate

    Central Idea

    • The New Collective Quantified Goal (NCQG) has emerged as a significant commitment in global climate financing at the recently-concluded Bonn climate conference in Germany.
    • The conference, which sets the stage for the upcoming Conference of Parties-28 (COP28) in Dubai, has exposed significant gaps in funding for climate action.

    Conference of Parties (COP)

    • The Conference of Parties (COP) is a key international event where countries come together to address the urgent challenges posed by climate change.
    • It is the supreme decision-making body of the United Nations Framework Convention on Climate Change (UNFCCC).
    • The COP brings together representatives from various countries to assess progress, negotiate agreements, and establish international climate policies and commitments.
    • The first COP took place in 1995 in Berlin, Germany, following the adoption of the UNFCCC in 1992.
    • Since then, the COP has been held annually, with each event designated by a specific number (e.g., COP21, COP22) indicating the sequential order.

     

    What is New Collective Quantified Goal (NCQG)?

    • The commitment of $100 billion per year till 2020 to developing nations by developed countries was set at the 2009 COP.
    • The cost estimates for addressing climate change indicate that billions, and possibly trillions, of dollars are required.
    • The 2015 Paris Climate Agreement emphasized the need for a NCQG for climate financing before 2025.
    • The NCGQ aims to account for the needs and priorities of developing nations and has been termed the “most important climate goal.”
    • It should reflect scientific evidence, respond to increased funding requirements for Loss and Damage, and involve developed countries increasing their commitments.

    Need for NCQG

    • Developed countries provided $83.3 billion in 2020 out of the promised $100 billion per year.
    • However, an analysis by Oxfam suggests that these figures may be inflated by as much as 225% due to misleading and dishonest reporting.
    • The $100 billion target set in 2009 lacked clarity in terms of the definition and source of ‘climate finance.’

    Challenges and Concerns

    (A) Accessibility and Sustainability of Climate Finance

    • While the funds for climate finance have increased, they remain largely inaccessible to developing countries.
    • The majority of climate finance comes in the form of loans and equity, burdening developing nations with a debilitating debt crisis.
    • Only around 5% of climate finance is provided as grants, which severely limits the capacity of countries in need.

    (B) Developed Countries’ Perspective

    • Developed countries argue that the NCQG should be seen as a collective goal for all countries.
    • This perspective places the burden of mitigation, adaptation, and loss and damage on developing countries.
    • Experts raise concerns that developing nations may struggle to bear the costs while also ensuring sustainable infrastructure development.
    • Developed countries advocate for mobilizing private-sector investments and loans as a critical component of climate finance.

    Future roadmap

    • A deadline looms for countries to agree on the NCQG before 2024.
    • While there is no official figure yet, estimates suggest that transitioning to a low-carbon economy requires annual investments of $4 trillion to $6 trillion.
    • Some propose setting separate targets or sub-goals for focus areas like mitigation, adaptation, and loss and damage instead of a single aggregate figure.
    • The focus should be on scaling up concessional financing, halting debt creation, and transforming the NCQG into an equitable and people-led transition process.

  • Carbon Border Adjustment Mechanism (CBAM): A Flawed Approach to Climate Finance

    CBAM

    Central Idea

    • The historical responsibility for climate change has primarily rested with advanced economies and their industrialization processes, while the poorer countries of the Global South have made negligible contributions. The Kyoto Protocol acknowledged the principle of “common but differentiated responsibilities,” and the Paris Agreement emphasized voluntary emission targets for countries while requiring wealthier nations to provide financial transfers to developing economies.

    Insufficient Climate Finance and Empty Promises by Industrialized Countries

    • Inadequate Financial Transfers: Despite the commitment made under the Paris Agreement to transfer $100 billion annually to developing economies for climate change mitigation and adaptation, the actual financial transfers have been far from sufficient. In 2020, out of the $83 billion deposited into the climate finance fund, less than $25 billion was transferred as grants.
    • Limited Support for Developing Countries: The Global South, comprising poorer nations, has been disproportionately affected by climate change, despite contributing minimally to the problem. These countries often lack the necessary resources and infrastructure to address the adverse effects of climate change
    • Empty Promises: The track record of empty promises regarding the flow of funds to the Global South casts doubt on the credibility of commitments made by wealthier nations. The failure to deliver on financial pledges raises questions about the sincerity and commitment of industrialized countries in addressing climate change and supporting developing economies in their climate action initiatives.
    • Impact on Climate Change Mitigation: Insufficient climate finance directly affects global efforts to mitigate climate change. Developing countries require financial resources to invest in clean technologies, renewable energy infrastructure, and sustainable development practices.
    • Equity and Climate Justice Concerns: Insufficient climate finance exacerbates existing inequities and injustices. The burden of climate change impacts falls disproportionately on vulnerable communities in developing countries who have contributed the least to the problem.
    • Loss and Damage: In addition to mitigation and adaptation efforts, financial support is crucial for addressing loss and damage caused by climate change impacts. Loss and damage refer to the irreversible and long-term damages, including economic losses and the displacement of communities, resulting from climate change.

    CBAM

    What is The Carbon Border Adjustment Mechanism (CBAM)?

    • The Carbon Border Adjustment Mechanism is a proposed policy measure aimed at addressing the issue of carbon-intensive production methods in other countries. It involves imposing tariffs on imports from countries that are seen as utilizing carbon-intensive practices in their production processes.

    The Objectives of the CBAM

    • Reducing Emissions: One of the primary objectives of the CBAM is to contribute to the reduction of the European Union’s (EU) emissions. By imposing tariffs on carbon-intensive imports, the mechanism aims to incentivize foreign producers to adopt cleaner and more sustainable production methods.
    • Preserving Competitiveness: The CBAM seeks to prevent carbon leakage, which refers to situations where industries move their production to countries with less stringent environmental regulations to avoid higher costs associated with carbon pricing.
    • Encouraging Carbon Intensity Reduction: The CBAM aims to motivate targeted countries, particularly major exporters to the EU, to decrease the carbon intensity of their exports. By imposing tariffs on carbon-intensive goods, the mechanism creates an economic incentive for these countries to transition towards cleaner and more sustainable production practices.

    CBAM

    Challenges and Legal Implications for Implementing CBAM

    • Measurement Challenges: One of the significant challenges of the CBAM lies in accurately measuring the carbon intensity of imported goods. Determining the exact carbon footprint of a product can be complex, especially when considering indirect emissions embodied in inputs or production processes.
    • Arbitrary Coverage and Product Selection: Deciding which products and sectors should be included in the CBAM’s coverage can be challenging. The mechanism’s effectiveness heavily depends on selecting the right products that have high carbon exposure and significant trade volumes. The process of determining coverage may involve some arbitrariness and requires careful consideration to avoid unintended consequences and trade distortions.
    • Compliance with WTO Rules: The CBAM raises legal implications in terms of compatibility with World Trade Organization (WTO) rules. The mechanism’s unilateral nature, aiming to impose tariffs based on the carbon intensity of production processes, can be seen as a potential violation of WTO principles, including non-discrimination and national treatment.
    • Protectionism Concerns: There is a risk that the CBAM could be used as a form of protectionism by imposing tariffs on imports to shield domestic industries from international competition. This can undermine the principles of free trade and create tensions among trading partners. Careful design and implementation of the CBAM are necessary to ensure it does not become a tool for protectionist trade practices.
    • Incomplete Global Coverage: The effectiveness of the CBAM could be limited if not implemented globally. As of now, only a few countries have mechanisms in place for pricing carbon. The absence of a comprehensive global approach to carbon pricing and emission reduction may result in uneven playing fields and limited impact on overall global emissions.
    • Equity Considerations: The CBAM may have equity implications, particularly for developing countries. While it aims to incentivize carbon intensity reduction, the burden of adjustment falls primarily on countries that may lack resources and capacity to adopt cleaner technologies or transition rapidly.

    Way Forward

    • Strengthen Climate Finance: Industrialized countries must fulfill their commitments to provide adequate climate finance to developing nations. Increasing financial transfers and grants to support climate change mitigation and adaptation efforts in the Global South is crucial. This includes honoring the $100 billion annual target set under the Paris Agreement and exploring innovative financing mechanisms.
    • Enhance Global Cooperation: International collaboration is essential to address climate change comprehensively. Governments, organizations, and stakeholders need to foster dialogue, share best practices, and collaborate on climate initiatives. Multilateral platforms, such UNFCCC, can serve as forums for cooperation, knowledge exchange, and collective decision-making.
    • Develop Comprehensive Carbon Pricing Mechanisms: Implementing comprehensive and robust carbon pricing mechanisms can incentivize emission reductions and promote the transition to low-carbon economies. Governments should explore carbon pricing mechanisms at both domestic and international levels, considering factors such as fairness, effectiveness, and economic feasibility.
    • Support Technology Transfer and Capacity Building: Developing countries require support in adopting and implementing clean technologies and building their capacity to mitigate and adapt to climate change. Enhanced technology transfer, knowledge sharing, and capacity-building initiatives can empower nations to address climate challenges effectively.
    • Promote Equity and Climate Justice: Efforts to combat climate change must prioritize equity and climate justice. It is essential to ensure that the burden of mitigation and adaptation does not disproportionately fall on vulnerable communities and developing countries. Equity considerations should be integrated into policy frameworks, financing mechanisms, and decision-making processes.
    • Strengthen International Trade and Climate Governance: The relationship between international trade and climate change needs to be addressed coherently. Collaborative efforts should be made to reconcile trade rules and climate objectives. Strengthening the World Trade Organization (WTO) and exploring ways to integrate climate considerations into trade agreements can foster synergies and avoid conflicts between trade and climate policies.
    • Encourage Innovation and Research: Investing in research and innovation is vital to develop and scale up transformative technologies and solutions for climate change mitigation and adaptation. Governments, private sectors, and academia should collaborate to promote research and innovation in clean energy, sustainable agriculture, circular economy, and other climate-related fields.

    CBAM

    Conclusion

    • While the CBAM attempts to address carbon-intensive production methods and climate finance, it falls short in several areas. The inadequacy of climate finance transfers to the Global South and the history of unfulfilled promises undermines the potential success of future financing initiatives. A more comprehensive and equitable approach is required to effectively combat climate change while ensuring the burden is shared responsibly among nations.

    Also read:

    Transforming Global Financing for Sustainable Development: A Call for Concrete Action

     

  • Blue Ocean Event: Arctic Ocean to be Ice-Free by 2030s

    blue ocean

    Central Idea

    • A new study published in Nature Communications warns that the Arctic Ocean could be ice-free in summer by the 2030s, even with significant emission reduction efforts.
    • This alarming conclusion challenges previous predictions and highlights the global, damaging, and dangerous consequences of such a scenario.

    Accelerated Climate Heating in the Arctic

    • Fastest Heating: The Arctic region has been experiencing climate heating at a faster rate than any other part of the planet, making it a frontline area for climate change.
    • Focus on Sea Ice: Scientists and local indigenous communities closely monitor the sea ice that covers much of the Arctic Ocean during winter, as it is a critical indicator of climate change.
    • Diminishing Sea Ice: Over the past 40 years, multiyear sea ice, which remains at the end of summer, has reduced from approximately 7 million sq. km to 4 million sq. km, representing a significant loss.

    Predicting an Ice-Free Arctic: Blue Ocean Event

    • What is it: Scientists have been studying when the Arctic Ocean might become ice-free in summer, known as a “blue ocean event,” defined by the sea ice area dropping below 1 million sq. km.
    • Complex Modeling: Sea ice is challenging to model accurately due to its sensitivity to atmospheric and oceanic circulation and heat transfer. Previous climate models underestimated the loss of sea ice compared to actual observations.
    • Observationally Constrained Projections: The latest study takes a calibrated approach, using observational data to refine the models and project sea ice decline. It suggests the Arctic could become ice-free in summer as early as the 2030s, even with emission reductions.

    Implications of an Ice-Free Arctic:

    • Climate Feedback: The loss of Arctic sea ice amplifies warming through positive feedback, as it reduces sunlight absorption by the ocean, potentially accelerating the melting of the Greenland ice sheet and contributing to sea-level rise.
    • Environmental Shifts: An ice-free Arctic would lead to changes in atmospheric circulation, storm tracks, and ocean biological activity, with far-reaching and undesirable consequences.
    • Slender Benefits: While there may be some perceived benefits, such as shorter shipping routes, they pale in comparison to the negative impacts on the climate system and global ecosystems.

    Conclusion

    • The potential ice-free Arctic Ocean by the 2030s, as indicated by the study, underscores the urgent need for climate action.
    • The consequences of such a scenario extend far beyond.
    • The study highlights the imperative of mitigating climate change to avoid further damage to the Arctic and the planet as a whole.