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Subject: Climate Change

1. Global Warming and Issues
2. All about Pollution

  • Alarm Bells for Hindu Kush Himalaya (HKH) Region

    Hindu Kush Himalaya

    Introduction

    • The International Centre for Integrated Mountain Development (ICIMOD) called for ‘bold action’ and ‘urgent finance’ to prevent collapse of Hindu Kush Himalaya (HKH).

    About Hindu Kush Himalaya (HKH)

    Description
    Geographic Location South Asia, spanning Afghanistan, Bangladesh, Bhutan, China, India, Myanmar, Nepal, and Pakistan.
    Area Approximately 3,500,000 square kilometers
    “Water Tower of Asia” At least 12 rivers fan out in every direction across the Asian continent from it, including:

    – Syr Darya and Amu Darya towards the now-dead Aral Sea

    – Tarim toward the Taklamakan

    – Indus, Ganga, and Brahmaputra towards the Arabian Sea and Bay of Bengal

    – Yellow river towards the Gulf of Bohai

    – Yangtze towards the East China Sea

    – Mekong towards the South China Sea

    – Chindwin, Salween, and Irrawaddy towards the Andaman Sea
    Glaciers Home to thousands of glaciers, including Mount Everest and K2.

    A Region on the Brink

    • Biodiversity Hotspot: The HKH region, characterized by its remarkable biodiversity, is described as a ‘biosphere on the brink’ by experts.
    • Scope of Crisis: The speed and scale of habitat and nature loss in the HKH region are deemed ‘catastrophic,’ and urgent action is required.

    Alarming Statistics

    • Biodiversity Richness: The HKH region boasts four of the world’s 36 global biodiversity hotspots, 575 Protected Areas, and 335 important bird areas.
    • Biodiversity Loss: Despite conservation efforts, the region has witnessed the loss of 70% of its original biodiversity over the last century.
    • Human Dependence: 85% of mountain communities in the HKH region rely on this biodiversity for food, water, flood control, and cultural identity.
    • Population Pressure: With 241 million people residing in the HKH region, 31% face food insecurity, and half experience various forms of malnutrition.

    Human Impact

    • Threat to Humanity: The declining nature in the HKH region now endangers not only animal and plant life but also human societies.
    • Water Tower of Asia: This region, known as the ‘Water Tower of Asia,’ supplies essential ecosystem services, including clean water for one-third of the global population.

  • Ammonia Emission Reductions in Agriculture

    ammonia

    Introduction

    • Researchers have harnessed machine learning to provide precise estimates of ammonia emissions stemming from rice, wheat, and maize crops.
    • Their dataset allows for a crop-specific assessment of emission reduction potential, suggesting that effective fertilizer management in these crops could decrease atmospheric ammonia emissions from agriculture by up to 38%.

    Ammonia Emissions in Agriculture

    Ammonia (NH3) emissions primarily originate from agricultural activities, particularly livestock farming and the application of synthetic and organic fertilizers.

    1. Livestock Farming: Livestock, such as cattle, poultry, and swine, produce ammonia through the breakdown of urea in their urine and faeces. Confined animal feeding operations (CAFOs) are major contributors to ammonia emissions.
    2. Fertilizer Application: Ammonia is released when synthetic fertilizers containing ammonium-based compounds (e.g., ammonium nitrate) are applied to crops. Manure from livestock can also be used as organic fertilizer, contributing to ammonia emissions.

    Why it matters?

    • Environmental Impact: Ammonia emissions can lead to air pollution, especially in areas with intensive agriculture. It can react with other pollutants to form fine particulate matter (PM2.5) and contribute to the formation of ground-level ozone, which has adverse effects on human health and the environment.
    • Acid Deposition: Ammonia can undergo atmospheric transformation and contribute to acid rain, which can harm aquatic ecosystems, forests, and infrastructure.
    • Nutrient Loss: Ammonia emissions represent a loss of valuable nitrogen nutrients from agricultural systems. This can reduce the efficiency of fertilizer use and contribute to nitrogen pollution in water bodies.

    Significance of Ammonia Emissions

    • Environmental Impact: Atmospheric ammonia is a significant environmental pollutant, affecting ecosystems and human health globally.
    • Crop-Related Emissions: A substantial portion of anthropogenic ammonia emissions, 51-60%, originates from crop cultivation. Rice, wheat, and maize are responsible for approximately half of these emissions.

    Machine Learning-Based Modeling

    • Researchers’ Approach: The study employed machine learning to model ammonia emissions from rice, wheat, and maize farming worldwide. This modelling considered various factors such as climate, soil characteristics, crop types, irrigation, tillage practices, and fertilization methods.
    • Dataset Development: To train the model, researchers curated a dataset comprising ammonia emissions data from over 2,700 observations, gathered through a systematic review of published literature.
    • Global Emission Estimate: The model’s estimates revealed that global ammonia emissions reached 4.3 teragrams (4.3 billion kilograms) in 2018.

    Emission Reduction Potential

    • Optimizing Fertilizer Management: By spatially optimizing fertilizer management according to the model’s guidance, ammonia emissions from the three crops could potentially be reduced by 38%.
    • Strategies: The optimized strategy involves deeper placement of enhanced-efficiency fertilizers into the soil using conventional tillage practices during the growing season.

    Crop-Specific Contributions

    • Reduction Potential: Under the proposed fertilizer management scenario, rice crops could contribute to 47% of the total reduction potential. Maize and wheat could contribute 27% and 26%, respectively.
    • Emission Projections: Without management strategies, ammonia emissions could increase by 4.6% to 15.8% by 2100, depending on future greenhouse gas emissions levels.

    Conclusion

    • This study showcases how machine learning can provide valuable insights into ammonia emissions from crop cultivation.
    • By optimizing fertilizer management practices, substantial reductions in ammonia emissions from rice, wheat, and maize crops can be achieved, contributing to environmental sustainability.

  • 1.5 degree Celsius Threshold: Is Climate Change real?

    climate change

    Introduction

    • The year 2023 witnessed alarming signs of climate change, from record-breaking summer temperatures to shrinking Antarctic sea ice and extreme weather events across the globe.
    • Despite the overwhelming scientific consensus on climate change, there remains confusion and misinformation on this critical issue.

    Is the Earth Becoming Warmer?

    • Temperature Measurement: Temperature measurements since the late 1880s show global warming trends. Satellite data confirms an increase of at least 1.1 degrees Celsius since 1880.
    • Indirect Verification: Analyzing natural indicators like tree rings and ice cores. Observing effects such as warming oceans, shrinking ice cover, and rising sea levels. Multiple monitoring systems enhance confidence in global-scale warming.
    • Acceleration of Warming: Recent decades witness unprecedented rapid warming. The majority of warming observed since 1975. 2022 marked the 46th consecutive year of temperatures above the 20th-century average.

    Role of Human Activities

    • Natural Factors: Throughout Earth’s history, natural factors like solar variations and volcanic activity influenced climate.
    • Current Acceleration: However, natural factors exert too little influence and operate too slowly to account for recent rapid warming, as acknowledged by NASA.
    • Greenhouse Gases: The primary driver of global warming is the increasing concentration of greenhouse gases, particularly carbon dioxide (CO2), methane (CH4), and water vapor.
    • Human Influence: Since the Industrial Revolution, human activities, especially the burning of fossil fuels, have released substantial greenhouse gases into the atmosphere.
    • Unprecedented Change: Changes that would typically occur over hundreds of thousands of years are now happening within decades.

    Overwhelming Evidence

    • Scientific Consensus: The Intergovernmental Panel on Climate Change (IPCC) has stated that “human influence on the climate system is clear and growing.”
    • Unprecedented Warmth: 2022 marked the 46th consecutive year with global temperatures exceeding the 20th-century average, with the last nine years ranking among the warmest.

    1.5 Degree Celsius Threshold

    • Paris Agreement: 195 countries pledge to limit warming to “well below 2 degrees Celsius” and aim to limit the increase to 1.5 degrees Celsius.
    • Baseline Year: Pre-industrial levels based on measurements from 1850 to 1900, providing a reliable historical reference.
    • Reason for 1.5 Degrees: Scientific consensus: 1.5 degrees is a defense line against severe climate impacts. It avoids extreme and irreversible consequences associated with 2 degrees warming.
    • Continuous Improvement: Lowering the target reduces climate risks further. Science supports aiming for the lowest possible temperature increase.

    Consequences of Breaching the Threshold

    • Increased Extreme Weather: More frequent and intense heavy precipitation. Elevated drought intensity and frequency in some regions.
    • Warmer Oceans: Higher number of strong hurricanes with rapid strengthening.
    • Intensified Wildfires: Longer-lasting and more intense wildfires.
    • Rapid Sea Ice Melt: Accelerated sea-level rise.
    • Emerging Consequences: Many of these impacts are already underway. Breaching the threshold exacerbates these effects.

    How Close Are We to Breaching the Threshold?

    • WMO Warning: World Meteorological Organisation (WMO) warns of a 66% chance of crossing the 1.5-degree limit between 2023 and 2027.
    • Hottest Year: 2023 declared the hottest year on record, 1.48 degrees Celsius warmer than pre-industrial levels.
    • Daily Fluctuations: Daily temperatures occasionally exceed 1.5 degrees Celsius, but long-term trends are the focus.

    Conclusion

    • The evidence of climate change and global warming is undeniable.
    • Human activities, primarily the release of greenhouse gases, are driving these changes at an unprecedented rate.
    • Understanding the science behind climate change is crucial in addressing this real global crisis.

  • For India, the easiest way to decarbonise is to scale up renewable capacity

    Why the Next Decade is Crucial for India to Fulfil Its Emission Goals - BusinessToday - Issue Date: Feb 20, 2022

    Central Idea:

    The article delves into India’s current carbon emissions landscape, spotlighting the Global Carbon Project’s findings released during COP28. It underscores the imperative for a thoughtful decarbonization strategy, scrutinizing challenges and potential resolutions, particularly in the context of renewable energy, electric vehicles (EVs), and the prospect of green hydrogen.

    Highlights:

    • India’s projected CO2 emissions are poised to surpass 3 gigatons by the close of 2023, reflecting an 8% uptick from 2022.
    • Despite lower per capita and cumulative emissions compared to global averages, India grapples with the task of mitigating emissions in key sectors: energy, agriculture, and industry.
    • The energy sector shoulders 76% of greenhouse gas emissions, necessitating a shift away from fossil fuels, notably in power generation and transportation.

    Challenges:

    • Transport Sector Transition: EV adoption confronts challenges due to dependence on the fossil fuel-reliant power grid and infrastructure gaps, especially for four-wheelers and heavy transport.
    • Industrial Decarbonization: Industries reliant on intense heat, such as iron and steel, face hurdles in substituting fossil fuels, as renewable sources may fall short in meeting their power requirements.
    • Green Hydrogen: Despite being hailed as a solution, global production of green hydrogen remains minimal. Challenges include the need for substantial green power and water, along with issues in transportation and energy-intensive storage methods.

    Key Terms:

    • CO2eq: Carbon dioxide equivalent, a metric expressing the global warming potential of various greenhouse gases.
    • Renewable Capacity: The quantum of energy a country can generate from renewable sources like solar and wind.
    • Green Hydrogen: Hydrogen produced using renewable energy sources, deemed a potential clean fuel.

    Key Phrases:

    • “Low-hanging fruit”: Referring to the simplest or most readily achievable goals, such as scaling up renewable capacity.
    • “Net-zero by 2070”: The aspiration to achieve equilibrium between greenhouse gas emissions produced and removed from the atmosphere by 2070.

    Key Quotes:

    • “Reduction in the use of fossil fuels can be easily done in the case of power generation…”
    • “What is thus evident is that the easiest way to decarbonise is to scale up renewable capacity…”

    Key Statements:

    • “India’s per capita and cumulative emissions notwithstanding, we need to strategize our decarbonization process.”
    • “The best solution for sectors like heavy transport or industries is getting access to green hydrogen.”

    Key Examples and References:

    • Reference to India’s Third National Communication (2023) offering data on greenhouse gas emissions.
    • Mention of the challenges in adopting electric vehicles, especially for heavy transport and four-wheelers.

    Key Facts and Data:

    • India’s total greenhouse gas emissions in 2019 were 3.1 gigatons of CO2eq, with the energy sector contributing 76%.
    • The energy sector, particularly power generation, accounts for 39% of CO2 emissions in India.

    Critical Analysis:

    • The article underscores the intricacies of decarbonization, recognizing the limitations of current solutions like electric vehicles and the hurdles in transitioning industries.
    • It stresses the need for a comprehensive approach, amalgamating renewable energy scaling with advancements in technologies like green hydrogen.
    • The author critiques policy inconsistencies, highlighting the incongruity between announcing new coal-based capacity and a prior commitment to avoid it.

    Way Forward:

    • Prioritize renewable capacity growth by simplifying land acquisition processes, ensuring regular payments to generators, and facilitating access to the grid.
    • Address challenges in the transport sector and industry by promoting research and development in sustainable alternatives like green hydrogen.
    • Maintain policy consistency and focus on achieving the goal of being net-zero by 2070.

  • Extinction of Gigantopithecus Blacki: Environmental Adaptation Challenges

    Extinction of Gigantopithecus Blacki

    Introduction

    • A recent study published in Nature sheds light on the extinction of Gigantopithecus blacki, the largest known primate species.
    • This research provides crucial insights into the species’ inability to survive environmental changes, contrasting with the adaptability of other similar primates.

    About Gigantopithecus Blacki

    • Species Description: Gigantopithecus blacki was a great ape species that inhabited China between 2 million and 330 thousand years ago.
    • Physical Attributes: Estimated to stand 3 meters tall and weigh between 200–300 kg, it is considered the largest primate ever to have existed on Earth.
    • Geographical Range and Extinction: The species experienced a significant reduction in geographical range before its extinction, with the most recent fossils indicating a marked decline.

    Research Methodology

    • Fossil Analysis: Researchers analyzed fossils from 22 caves in southern China, focusing on dental samples of G. blacki and its closest relative, Pongo weidenreichi.
    • Environmental Reconstruction: The study employed pollen and stable isotope analysis to reconstruct the environmental conditions during the species’ existence.
    • Diet and Behavior Assessment: Changes in diet and behavior within the extinction window were inferred from dental analyses.

    Findings on Environmental Changes and Adaptation

    • Initial Habitat: Around 2.3 million years ago, G. blacki thrived in dense forests with heavy cover.
    • Transition in Environment: During the extinction window (295–215,000 years ago), there was a shift to open forests, indicating significant changes in forest plant communities.
    • Dietary and Stress Responses: Dental analysis revealed a less diverse diet and reduced water consumption for G. blacki, alongside signs of increased chronic stress. In contrast, P. weidenreichi showed better adaptation to these environmental changes.
    • Fossil Record Decline: The number and geographical spread of G. blacki fossils declined relative to P. weidenreichi by 300 thousand years ago, supporting the hypothesis of its struggle to adapt.

  • To combat climate challenges, the Finance Commission needs to step up

    India sets new climate target: 45% less emission, 50 per cent electricity from non-fossil fuel-based- The New Indian Express

    Central Idea:

    The article emphasizes the pivotal role that fiscal federalism, particularly through Finance Commissions (FC), plays in India’s efforts to combat climate change by promoting forest conservation. It highlights the need for the 16th Finance Commission to adopt innovative approaches, such as incorporating climate vulnerability and emission intensity into tax distribution formulas, to align with India’s environmental goals.

    Key Highlights:

    • India actively participates in global initiatives to enhance forest cover, combat climate change, and build community resilience.
    • Finance Commissions have historically allocated funds for forest conservation, evolving from grants to a dedicated share of the central tax pool.
    • The 15th Finance Commission became the world’s largest payment for ecosystem services (PES) system, distributing funds based on both forest cover and density.
    • The 16th Finance Commission, appointed in 2021, is crucial for shaping tax distribution principles for 2026-31, coinciding with India’s commitments under the Paris Agreement.
    • The article suggests incorporating climate vulnerability and emission intensity as key parameters in the tax devolution formula to drive action toward India’s National Determined Contributions (NDCs).

    Key Challenges:

    • Balancing conservation efforts with opportunity costs, which can be substantial and potentially prohibitive.
    • Addressing pollution challenges, especially the need for funds to tackle issues like crop burning and mangrove restoration.
    • Adapting to changing climate patterns leading to forest fires, necessitating innovative solutions and funding.

    Key Terms:

    • Fiscal federalism: The distribution of fiscal responsibilities and resources between different levels of government.
    • National Determined Contributions (NDCs): Commitments made by countries under the Paris Agreement to mitigate climate change.
    • Payment for Ecosystem Services (PES): Systems where individuals or entities are compensated for protecting or enhancing ecosystem services.
    • Tax devolution: The distribution of tax revenues among different levels of government.

    Key Phrases:

    • “Largest payment for ecosystem services (PES) system in the world.”
    • “Tax devolution formula as a tool to align with India’s NDCs.”
    • “Finance Commission evolving from a fiscal arbitrator to an orchestrator of climate readiness.”

    Key Quotes:

    • “The 16th FC can be pivotal in creating a basis for market instruments like National Carbon Market and National Green Credit Market to succeed.”
    • “The Commission needs to metamorphose from a conventional fiscal arbitrator to an orchestrator of India’s climate readiness.”

    Key Statements:

    • “The 15th FC effectively became the largest payment for ecosystem services (PES) system in the world.”
    • “The 16th FC can be pivotal in creating a basis for these market instruments to succeed.”

    Key Facts:

    • India’s commitment to reducing greenhouse gas emissions by 33-35% and building an additional carbon sink of 2.5 to 3 billion tonnes of CO2 by 2030.
    • The role of Finance Commissions in mobilizing and distributing funds to states for forest conservation and combating air pollution.

    Critical Analysis:

    The article underscores the evolving role of Finance Commissions in environmental conservation and suggests innovative approaches for the 16th FC. However, challenges such as balancing conservation with opportunity costs and addressing pollution issues require careful consideration.

    Way Forward:

    The 16th Finance Commission should prioritize incorporating climate vulnerability and emission intensity into tax devolution formulas. It must transform into a key player in India’s climate readiness by aligning economic growth with environmental imperatives, supporting clean energy initiatives, and addressing regional climate challenges.

  • Understanding the EU’s carbon border tax

    BASIC nations oppose 'Carbon Border Tax' - Civilsdaily

    Central Idea:

    The European Union’s Carbon Border Adjustment Mechanism (CBAM) poses a significant challenge to India’s manufacturing sector. This policy aims to tax carbon-intensive imports into the EU, impacting key sectors like steel. India’s response involves considering legal challenges and negotiating with the EU while simultaneously developing its own carbon trading mechanisms.

    Key Highlights:

    • The CBAM is part of the EU’s strategy to achieve a 55% reduction in greenhouse gas emissions by 2030.
    • It aims to be climate-neutral by 2050 – an economy with net-zero greenhouse gas emissions.
    • India, a top exporter to the EU, is expected to be adversely affected, particularly in sectors like steel.
    • India is developing its own Carbon Credit Trading System (CCTS) to combat climate change and incentivize clean energy investments.

    Key Challenges:

    • India faces the challenge of protecting its industries from the potential negative impacts of CBAM.
    • Limited time to formulate and implement effective carbon taxation measures aligning with the Paris Agreement.
    • The EU’s failure to consider factors like cheap labor and alternative production modes influencing industry shifts.

    Key Terms:

    • Carbon Border Adjustment Mechanism (CBAM)
    • Greenhouse Gas (GHG) emissions
    • Carbon Credit Trading System (CCTS)
    • Paris Agreement
    • Special and Differential Treatment provisions

    Key Phrases:

    • “Ill-conceived move” – Referring to the Commerce and Industry Minister’s criticism of the CBAM.
    • “Death knell for India’s manufacturing sector” – Describing the potential impact of the carbon tax on Indian industries.
    • “Common but differentiated responsibilities” – Principle agreed upon under the Paris Agreement.
    • “Carbon leakage” – The risk of carbon-intensive production moving from the EU to countries with lax environmental regulations.

    Key Quotes:

    • “Proposed carbon tax on imports is an ill-conceived move… death knell for India’s manufacturing sector.” – Commerce and Industry Minister.
    • “India has challenged the CBAM before the World Trade Organization under the special and differential treatment provisions.”

    Key Statements:

    • The CBAM is seen as a threat to India’s manufacturing sector and competitiveness in the EU market.
    • India is working on its own carbon trading mechanisms, including the CCTS and the Green Credit Programme Rules.

    Key Examples and References:

    • UK’s plan to enforce its own CBAM by 2027, adding to the challenges faced by India’s exports.

    Key Facts:

    • 27% of India’s exports of iron, steel, and aluminum products worth $8.2 billion went to the EU in 2022.

    Critical Analysis:

    • The EU’s focus on reducing carbon emissions should consider broader factors influencing industry shifts.
    • India’s challenge lies in balancing environmental concerns with protecting its industries and economic interests.

    Way Forward:

    • India should actively negotiate with the EU to explore pragmatic solutions, such as returning tax funds for green technologies.
    • Swift action is crucial for India to formulate and implement its own carbon taxation measures aligned with the Paris Agreement.

  • Outcomes of COP28: Progress and Challenges in Climate Action

    COP28

    Central Idea

    • Annual Climate Summit: The 28th session of the Conference of the Parties (COP28) was held in Dubai, under the United Nations Framework Convention on Climate Change (UNFCCC).
    • High Expectations: There were significant expectations for countries to take decisive steps in addressing the climate crisis.
    • Key Focus Areas: Discussions at COP28 revolved around mitigation, adaptation, finance, and the differing responsibilities of developed and developing nations.

    Early Developments: Loss and Damage Fund

    • COP27 Agreement Follow-up: After agreeing to create the ‘Loss and Damage’ (L&D) fund at COP27, COP28 focused on its operationalization.
    • Funding Challenges: Despite the need for substantial funding, contributions have been limited, with the U.S. pledging only $17.5 million.
    • Administration and Access Concerns: The World Bank’s role in overseeing the fund raised issues regarding access, legal autonomy, and responsiveness to emergencies.

    Emissions Reduction and Energy Transition

    • Global Stocktake Findings: The first global stocktake (GST) assessed progress towards the Paris Agreement goals.
    • Fossil Fuel Transition: A commitment was made to move away from fossil fuels in energy systems, to triple renewable and nuclear energy capacity by 2030.
    • Continued Use in Other Sectors: Fossil fuels remain in use in sectors like plastics, transport, and agriculture.
    • Transitional Fuels and Climate Justice: The acceptance of natural gas as a transitional fuel was seen as a compromise on climate justice.

    Financial Mechanisms for Climate Action

    • Developed Nations’ Responsibility: The GST framework emphasized the leading role of developed nations in climate finance.
    • Private Sector Involvement: The role of private investment in addressing financial gaps was acknowledged.
    • Green Finance Initiatives: New mechanisms, including a $3.5 billion boost to the Green Climate Fund, were established to support sustainable practices in developing countries.

    India’s Stance on Climate and Health Declaration

    • UAE Declaration on Climate and Health: This declaration, partnered with the World Health Organisation, was signed by 123 countries but not by India.
    • India’s Concerns: India refrained from signing due to potential impacts on its growing healthcare infrastructure and the need to prioritize healthcare requirements.

    Global Methane Pledge and India’s Position

    • Renewed Focus on Methane: The pledge received attention with over $1 billion in new grants for methane reduction projects.
    • India’s Non-Participation: India did not sign the pledge, focusing instead on carbon dioxide emissions and considering the livelihood implications of methane reduction in agriculture.

    Assessment of COP28: Achievements and Shortcomings

    • Positive Developments: Notable achievements included the climate and health declaration, emphasis on nature-based solutions, and commitments to sustainable food systems.
    • Contentious Issues: Disagreements persisted over fossil-fuel subsidies, the role of the World Bank in the L&D fund, and private sector engagement in climate action.
    • Mixed Outcomes: While renewable energy targets marked progress, unresolved issues regarding L&D, fossil fuel use, and transitional fuels indicated ongoing challenges.

    Conclusion

    • Balancing Act: COP28 showcased the intricate balance between ambitious climate goals and the practical realities of economic and social factors.
    • Continued Dialogue: The outcomes reflect the need for ongoing dialogue and collaboration to address the multifaceted aspects of climate change and sustainable development.

  • Climate action needs an updated lexicon

     

    Cyclone 'Michaung' likely to make landfall on today; rain alert in many states | Latest News India - Hindustan Times

    Central idea 

    The article discusses the impact of shifting baseline syndrome on our perception of environmental changes, particularly in the context of unprecedented rainfall in south Tamil Nadu. It emphasizes the importance of officialese, or official vocabulary, in effectively communicating climate scenarios, addressing challenges in aligning definitions with lived experiences. The article also explores the global implications of terminological precision in climate negotiations and highlights the need for updated language to navigate evolving climate realities.

    Key Highlights:

    • South Tamil Nadu experiences unprecedented rainfall, reversing a northeast monsoon deficit to a 5% excess within 24 hours.
    • Shifting baseline syndrome distorts perceptions of environmental changes, impacting our understanding of losses and resource availability.
    • Climate change introduces a future-oriented shifting baseline, challenging language and memorialization of evolving climate scenarios.

    Key Challenges:

    • The deceptive simplicity of defining ‘devastating’ events, influenced by shifting baseline syndrome and community memory.
    • Official vocabulary and definitions, such as those for extreme weather events, may not align with lived experiences and evolving climate realities.
    • The role of officialese in communication, accountability, and global negotiations faces challenges in updating and aligning with ground realities.

    Key Terms and Phrases:

    • Shifting baseline syndrome
    • Shared Socio-economic Pathways (SSPs)
    • Intergovernmental Panel on Climate Change (IPCC)
    • Officialese
    • Medical certificate of cause of death (MCCD)
    • Loss and damage fund

    Key Quotes and Statements:

    • “What we consider to be ‘devastating’ is deceptively simple because of the shifting baseline syndrome.”
    • “As the impacts of climate change become clearer, we confront a different kind of shifting baseline, one that stretches into the future.”

    Key Examples and References:

    • Reference to unprecedented rainfall in Thoothukudi and Tiruchendur compared to Chennai’s Cyclone Michaung-induced rainfall.
    • Examples of official vocabulary limitations, like classifying both Chennai and Thoothukudi under ‘extremely heavy’ rainfall despite varying impacts.

    Key Facts and Data:

    • Rainfall data: Thoothukudi recorded 361.4 mm, Tiruchendur 679 mm, and Chennai 500 mm within specific periods.
    • Impact of shifting baseline syndrome on underestimating environmental losses over time.

    Critical Analysis:

    • Discussion on the challenge of aligning lived experiences with official definitions, impacting trust in institutions.
    • The importance of updating officialese to bridge the gap between evolving climate scenarios and language used in official reports.
    • Global implications of officialese in climate negotiations, particularly related to the ‘loss and damage’ fund.

    Way Forward:

    • Advocacy for localized officialese that reflects State-level laws and community context.
    • Emphasis on the need for new official words to describe unprecedented climate events to ensure effective communication and global cooperation.
    • Acknowledgment of the human toll in defining ‘devastation,’ including challenges in medical certifications and disaster responses.

  • How the Hottest Summer ever affected the Arctic?

    arctic

    Central Idea

    • Unprecedented Warmth: The Arctic experienced its warmest summer on record in 2023, warming nearly four times faster than the global average since 1979.
    • NOAA’s Comprehensive Study: The National Oceanic and Atmospheric Administration’s (NOAA) Arctic Report Card, a peer-reviewed analysis by 82 scientists from 13 countries, details the critical impacts of this warming.

    Key Findings and Consequences of the Arctic Warming

    [1] Thawing of Subsea Permafrost

    • Accelerated Thawing Process: Warmer ocean temperatures are causing a faster thawing of subsea permafrost, which contains organic matter.
    • Release of Greenhouse Gases: This thawing leads to the decay of organic matter and the release of methane and carbon dioxide, intensifying global warming and ocean acidification.
    • Research Challenges: The extent of greenhouse gas release from subsea permafrost and its future impact on global warming remains uncertain due to limited research.

    [2] Food Insecurity

    • Decline in Salmon Populations: In Western Alaska, populations of Chinook and chum salmon were 81% and 92% below the 30-year mean, respectively.
    • Size Reduction and Species Variation: The size of adult salmon has decreased, and while Chinook and chum salmon declined, sockeye salmon numbers were 98% above the 30-year mean.
    • Impact on Indigenous Communities: These changes have led to fishery closures and significant cultural and food security impacts in Indigenous communities.

    [3] Raging Wildfires

    • Canada’s Severe Wildfire Season: Canada experienced its worst wildfire season, with over 10 million acres burned in the Northwest Territories.
    • Evacuations and Air Quality Impact: The fires led to mass evacuations and affected air quality, reaching as far as the southern United States.

    [4] Severe Flooding

    • Mendenhall Glacier Thinning: The Mendenhall Glacier in Alaska has thinned dramatically, causing annual floods.
    • Significant Flooding Event: In August 2023, a glacial lake burst through its ice dam, leading to unprecedented flooding and severe property damage in Juneau.

    [5] Greenland Ice Sheet Melting

    • Rare Melting Events: The highest point on Greenland’s ice sheet experienced melting for only the fifth time in 34 years.
    • Continued Mass Loss: Despite above-average winter snow accumulation, the ice sheet lost approximately 350 trillion pounds of mass between August 2022 and September 2023.
    • Contribution to Sea-Level Rise: Greenland’s ice sheet melting is the second-largest contributor to global sea-level rise.

    Conclusion

    • Immediate and Long-Term Impacts: The record-breaking temperatures in the Arctic have immediate consequences for local communities and long-term implications for global climate patterns.
    • Need for Further Research: Enhanced research is crucial to understand the full scope of Arctic warming and to develop effective mitigation strategies.
    • Global Responsibility: The findings highlight the urgent need for concerted global efforts to address climate change and its far-reaching impacts.