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Subject: Environment

  • World past Holocene Epoch: Anthropocene began in 1950

    anthropocene

    Central Idea

    • AWG’s Proposal: The Anthropocene Working Group (AWG) proposes a new geological epoch called the Anthropocene.
    • Reference Point: The unique reference point for the Anthropocene is Crawford Lake near Toronto in Canada’s Ontario Province.

    Understanding the Anthropocene Epoch

    • Coined Term: The Anthropocene epoch was first coined by Nobel Prize-winning chemist Paul Crutzen and biology professor Eugene Stoermer in 2000.
    • Human Impact: The Anthropocene represents the geological time interval characterized by radical changes in the Earth’s ecosystem due to human impact, particularly since the onset of the Industrial Revolution.
    • Environmental Changes: Numerous phenomena associated with the Anthropocene include global warming, sea-level rise, ocean acidification, mass-scale soil erosion, deadly heat waves, and environmental deterioration.
    • Geological Strata: The AWG’s website states that these changes are reflected in a distinctive body of geological strata, with the potential to be preserved into the far future.

    Evidence from Crawford Lake

    img

    • Selected Site: Crawford Lake in Canada’s Ontario Province was chosen by geologists for examination over 11 other potential sites.
    • Preserved Sediments: The lake’s layers of sediment have preserved the annual impact of human activities on the Earth’s soil, atmosphere, and biology.
    • Shift in Mid-20th Century: The analysis of Crawford Lake’s bottom sediments reveals a clear shift from the mid-20th century, surpassing the bounds of the previous Holocene epoch.
    • Captured Fallout: Over the years, the lake’s sediments have captured the fallouts of large-scale burning of fossil fuels, explosion of nuclear weapons, and dumping of plastic and fertilizers on land and in water bodies.

    Debate and Disagreements

    • Scientific Community Disagreements: Not all geologists agree on the reality of the Anthropocene epoch.
    • Debate Points: Disagreements revolve around the precise start of the epoch, whether it has already begun, and the sufficiency of evidence to prove its advent.

    The Geological Time Scale

    • Divisions and Categories: The Earth’s geological time scale is divided into five broad categories: eons, eras, periods, epochs, and ages.
    • Fossil-Based Boundaries: Boundaries on the geological time scale correspond to the origination or extinction of specific types of fossils.
    • Current Classification: Currently, we are in the Phanerozoic eon, Cenozoic era, Quaternary period, Holocene epoch, and Meghalayan age.

    AWG’s Findings and Next Steps

    • Selection of Crawford Lake: Crawford Lake was chosen due to its preserved sediment layers that provide an annual record of human impact.
    • Overwhelming Effects: Distinct and multiple signals in the lake’s sediments starting around 1950 demonstrate that the effects of human activity overwhelm the Earth system.
    • Unique Global ‘Fingerprint’: The presence of plutonium resulting from nuclear weapon detonations serves as a stark indicator of humanity’s dominant influence on the planet.
    • Approval Process: The AWG plans to present a proposal to the Subcommission on Quaternary Stratigraphy (SQS) and the International Commission on Stratigraphy (ICS) for approval.
    • Final Approval: The final approval is expected to be granted at the 37th International Geological Congress in Busan, South Korea, next year.

    Conclusion

    • Compelling Evidence: Geologists’ examination of Crawford Lake provides compelling evidence for the existence of the Anthropocene epoch.
    • Challenging Conventional Timeline: The proposal for the Anthropocene epoch challenges the conventional understanding of the Earth’s official geological timeline.
    • Future Determination: Further discussions and approvals by international geological bodies will determine the recognition and acceptance of the Anthropocene epoch.

    Back2Basics: Geological Time Scale

    anthropocene

    • The Geological Time Scale is a system used by geologists and palaeontologists to divide Earth’s history into distinct time intervals based on significant geological and biological events.
    • It provides a framework for organizing and understanding the vast expanse of time since the formation of the Earth, approximately 4.6 billion years ago, up to the present day.
    • The Scale is divided into several hierarchical units, including eons, eras, periods, epochs, and ages.

    Here is a simplified overview of the major divisions:

    (1) Eon: The largest division of time on the Geological Time Scale. The history of Earth is typically divided into four eons:

    • Hadean Eon: Represents the earliest stage of Earth’s history, from its formation to around 4 billion years ago.
    • Archean Eon: Covers the period from around 4 billion to 2.5 billion years ago. It includes the formation of the Earth’s crust, the emergence of life, and the development of the first continents.
    • Proterozoic Eon: Encompasses the time between 2.5 billion and 541 million years ago. It includes significant evolutionary developments, such as the emergence of complex multicellular life.
    • Phanerozoic Eon: The current eon, spanning from 541 million years ago to the present. It is further divided into eras.

    (2) Era: The second-largest division of time, encompassing longer periods of geological history within an eon. The Phanerozoic Eon is divided into three eras:

    • Paleozoic Era: Covers the time from 541 million to 252 million years ago. It is known for the diversification of life, including the appearance of complex marine organisms, fish, insects, and the first terrestrial plants.
    • Mesozoic Era: Spans from 252 million to 66 million years ago. It is often referred to as the “Age of Reptiles” and includes the dominance of dinosaurs, as well as the rise of mammals and birds.
    • Cenozoic Era: Extends from 66 million years ago to the present. It is sometimes called the “Age of Mammals” and includes the diversification and proliferation of mammals, the appearance of humans, and the development of modern ecosystems.

    (3) Period: A subdivision of an era, representing a distinct interval of time characterized by specific geological and biological events. For example:

    • The Paleozoic Era is divided into periods such as the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian.
    • The Mesozoic Era is divided into periods including the Triassic, Jurassic, and Cretaceous.
    • The Cenozoic Era is divided into periods such as the Paleogene, Neogene, and Quaternary.

    (4) Epoch: A smaller subdivision of a period, representing a shorter interval of time. Epochs are defined by more localized geological and biological changes.

    (5) Age: The smallest division of time on the Geological Time Scale. Ages represent relatively brief periods, often defined by specific fossil or rock layers.

  • Turtle Rehabilitation: A Crucial Element in Ganges Conservation

    turtle

    Central Idea

    • Hundreds of turtles will be released into the river as a joint endeavour between the Namami Gange Programme, the Forest and Wildlife Department, and the Wildlife Institute of India (WII).
    • These turtles, hatched at a breeding and rehabilitation center in Varanasi, aim to contribute to the cleanliness and rejuvenation of the sacred Ganges.

    Turtle Rehabilitation Center: A Crucial Element in Ganges Conservation

    • Significance: The turtle rehabilitation center in Varanasi, established under the Ganga Action Plan (GAP) in the late 1980s, plays a pivotal role in the conservation of the Ganges River.
    • Achievements: Over 40,000 turtles have been released from the center, with approximately 28,000 turtles released during the initial phase of the GAP.
    • Renewed Focus: The center has gained renewed attention and support following the launch of the Namami Gange Programme in 2014, a flagship initiative of the Central government aimed at combating pollution and restoring the river’s ecological balance.

    Strengthening the Ganges Clean-up Efforts

    • Turtle Population: The center nurtures around a dozen turtle species, including herbivores and carnivores, which are vital in maintaining a balanced ecosystem.
    • Collection of Eggs: The Forest and Wildlife Department collects turtle eggs from the coastal areas of the Chambal region.
    • Controlled Hatching Process: The eggs are carefully monitored for 70 days in a specially designed room for hatching. They are buried in sand-filled wooden boxes placed on a water-filled ground with bricks on top.
    • Monitoring and Care: After hatching between June and July, the turtles are observed and nurtured in an artificial pond for two years to ensure their health and readiness for release into the river.

    Role of Turtles in Ganges Restoration

    • Impact on Water Quality: Turtles contribute to improving the quality of the Ganges by feeding on meat and waste products present in the river.
    • Positive Indicators: Water quality assessments conducted by the Namami Gange Programme reveal improvements in biochemical demand (BOD), faecal coliform (FC), and dissolved oxygen (DO) levels.
    • Government’s Findings: The Uttar Pradesh Government confirmed that the pH levels at various locations, including Varanasi, meet bathing water quality criteria, while DO, BOD, and FC levels have shown improvement at 16, 14, and 18 out of 20 locations, respectively.

  • Evidence of High Rainfall during Deccan Traps Volcanism

    deccan

    Central Idea

    • A team of scientists from IIT Kharagpur has discovered evidence of exceptionally high annual rainfall during the volcanic activity that formed the Deccan Traps in India around 66 million years ago.
    • Using a new technique called Nanoscale Secondary Ion Mass Spectrometry (NanoSIMS), the researchers analyzed the isotopic composition of fossil trees from the Cretaceous period.
    • They determined the isotopic composition of the rainfall-derived lake water.

    Nanoscale Secondary Ion Mass Spectrometry (NanoSIMS)

    • NanoSIMS is an advanced analytical technique to determine the composition and distribution of elements and isotopes at a microscopic scale.
    • It allows for high-resolution imaging and quantitative analysis of samples.
    • The technique involves bombarding the sample surface with a focused beam of primary ions.
    • This causes the ejection of secondary ions from the sample surface.
    • The secondary ions are collected and analyzed using a mass spectrometer.
    • The mass spectrometer separates the ions based on their mass-to-charge ratio and measures their abundance.

    Analysis and Findings

    • New Technique: The team used Nanoscale Secondary Ion Mass Spectrometry to analyze oxygen isotopes in fossil trees and measure the isotopic composition of the lake water derived from rainfall.
    • Depleted Oxygen Isotopes: The analysis revealed depleted oxygen isotope values, indicating higher tropical rainfall in India during the terminal Cretaceous period.
    • Link to Paleoclimatic Changes: The increase in rainfall closely corresponded to changes in paleo-atmospheric carbon dioxide levels, suggesting a potential underlying link between the two.

    Implications and Comparison

    • Atmospheric Carbon Dioxide Concentration: The eruption of Deccan Trap lavas released a significant amount of carbon dioxide, raising atmospheric levels to as high as 1,000 ppm.
    • Comparison to Modern Rainfall: The data from fossil trees indicated an annual rainfall of 1,800-1,900 mm, exceeding the average modern rainfall of 1,000-1,200 mm in most parts of peninsular India.
    • Climate Change Predictions: The findings align with predictions made by the Intergovernmental Panel on Climate Change (IPCC) for extreme warming scenarios, suggesting a correlation between high carbon dioxide levels and increased rainfall.

    Climate Models and Future Projections

    • Rising Carbon Dioxide Levels: Fossil fuel emissions have raised carbon dioxide levels from 280 ppm to about 420 ppm in 2023.
    • Impact on Rainfall: Climate models indicate that doubling carbon dioxide levels will intensify atmospheric circulation and subsequently increase rainfall.
    • IPCC AR6 Report: The report warns of a significant increase in the wettest day precipitation and tropical cyclone-associated rainfall if carbon dioxide emissions continue to rise unabated.

    Conclusion

    • The study provides evidence of high rainfall during the volcanic activity that formed the Deccan Traps in India millions of years ago.
    • The findings suggest a correlation between elevated carbon dioxide levels and increased rainfall, supporting predictions made by climate models for future climate change scenarios.

     

  • Forest (Conservation) Amendment Bill, 2023

    Central Idea

    • A parliamentary committee has given its endorsement to the Forest (Conservation) Amendment Bill, which seeks to amend the Forest (Conservation) Act, 1980.
    • The proposed amendments have attracted objections and controversies, raising concerns about dilution of forest protection and potential impacts on biodiversity, forest rights, and national security.

    Forest (Conservation) Amendment Bill, 2023: An overview

    • The Forest (Conservation) Act, 1980, safeguards India’s forest land from unauthorized non-forestry use and allows for compensation in case of diversion.
    • Previous amendments aimed to expand protection, but the current amendments focus on removing ambiguities and clarifying the Act’s applicability on various types of land.
    • The amendments emphasize promoting tree cover, carbon sinks, national security infrastructure, and livelihood opportunities for forest-dwelling communities.

     

    Forest (Conservation) Act, 1980

    • It is the principal legislation that regulates deforestation in the country.
    • It prohibits the felling of forests for any “non-forestry” use without prior clearance by the central government.
    • The clearance process includes seeking consent from local forest rights holders and from wildlife authorities.
    • The Centre is empowered to reject such requests or allow them with legally binding conditions.
    • Process of approval for the diversion of forest land culminates after issuance of final diversion order by the State Government or UT concerned which authorises use of forest land for intended purpose and hands over the land to the user agency.

    Key features

    • Inclusion and Exclusion of Land: The Bill amends the Forest (Conservation) Act, 1980 to make it applicable to land notified as a forest under the Indian Forest Act, 1927 or in government records after the 1980 Act came into effect. Land converted to non-forest use before December 12, 1996, will not fall under the Act’s purview.
    • Exemptions: Certain types of land are exempted from the Act, including land within 100 km of India’s border required for national security projects, small roadside amenities, and public roads leading to habitation.
    • Assignment of Forest Land: The state government requires prior approval from the central government to assign forest land to any private or government entity. The Bill extends this requirement to all entities and allows assignment on terms and conditions specified by the central government.
    • Permitted Activities: The Bill expands the list of permitted activities in forests, including establishing check posts, fencing, bridges, running zoos, safaris, and eco-tourism facilities.

    Controversial parts of the Amendment

    • Dilution Concerns: Some critics argue that the amendments dilute the Supreme Court’s 1996 Godavarman case judgment, which extended protection to forests not officially classified as such.
    • Geographically Sensitive Areas: Projects within 100 km of international borders or the Line of Control would no longer require forest clearance, which raises concerns about the environment and security.
    • Deemed Forests and Tourism: Central protection for deemed forests and restrictions on activities like tourism could be compromised, affecting biodiversity conservation and forest integrity.
    • Impact on Forest Cover: Exempting land near border areas for national security projects may adversely affect forest cover and wildlife in northeastern states, which have high forest cover and are biodiversity hotspots.
    • Potential Adverse Effects: Blanket exemptions for projects like zoos, eco-tourism facilities, and reconnaissance surveys may have negative consequences for forest land and wildlife.

    Opposition and Criticism

    • Northeast States’ Opposition: Some northeastern states objected to forest land being used for defense purposes without their consent.
    • Environmental Groups’ Concerns: Environmental organizations criticized the removal of Central protection for deemed forests and allowing tourism in these areas, risking biodiversity and forest conservation.
    • Name Change Controversy: The proposal to change the name of the Act to Van (Sanrakshan Evam Samvardhan) Adhiniyam faced objections for being non-inclusive and excluding certain regions’ populations.

    Conclusion

    • The Forest (Conservation) Amendment Bill, despite attracting objections and controversies, has received the endorsement of the parliamentary committee.
    • The proposed amendments aim to bring clarity to the Act’s applicability and promote tree cover, national security infrastructure, and livelihood opportunities.

  • Gravity Hole in the Indian Ocean

    gravity hole
    The true shape of our Earth

    Central Idea

    • One intriguing phenomenon recently discovered is the presence of a significant “gravity hole” in the Indian Ocean, where the gravitational pull is notably weaker.
    • Recent research sheds light on the possible causes behind this anomaly.

    What is a Gravity Hole?

    • A “gravity hole” refers to a region on Earth where the gravitational pull is significantly weaker compared to the surrounding areas or the global average.
    • It is characterized by a dip or low gravity anomaly.
    • In such areas, the sea level may be lower than average due to the weaker gravitational force acting upon the water.
    • This term is often used to describe specific locations, such as the Indian Ocean geoid low (IOGL), where the gravitational pull is notably diminished compared to nearby regions.
    • The exact causes of gravity holes can vary and may involve factors such as variations in the Earth’s mass distribution or underlying geological features.

    What is Indian Ocean Geoid Low (IOGL)?

    • It is located approximately 1,200 kilometers southwest of the southernmost tip of India.
    • IOGL is an area in the Indian Ocean where the sea level is about 106 meters below the global average.

    Unraveling the Causes of IOGL

    • Discovering the Anomaly: Geophysicist Felix Andries Vening Meinesz first identified the IOGL during a survey in 1948. Since then, it has been confirmed by subsequent ship-based experiments and satellite measurements.
    • Ancient Ocean Hypothesis: Researchers from the Indian Institute of Science conducted computer-simulated models spanning 140 million years. They discovered remnants of an ancient ocean, located approximately 965 kilometers below the Earth’s crust, just beneath Africa.
    • Molten Rock Plumes: The simulations revealed molten rock plumes below Africa, potentially caused by tectonic plates subducting into the mantle. These plumes are believed to be a contributing factor to the IOGL.
    • Possible origination: Researchers said that the IOGL comprises slabs from the Tethys Sea, a long-lost sea that plunged into the depths of the planet millions of years ago. Tethys Sea, which once separated the supercontinents of Gondwana and Laurasia is believed to have perturbed the African Large Low Shear Velocity province.

    Future Perspectives

    • Lack of Seismic Evidence: While the simulated models suggest the presence of molten rock plumes beneath the Indian Ocean, seismographic evidence has yet to confirm their actual existence.
    • Additional Factors at Play: The researchers emphasize that other factors contributing to the gravitational anomaly in the Indian Ocean need to be further explored before reaching a definitive conclusion.
    • Further Research: Continuation of studies, including seismic surveys and detailed modelling, is necessary to gain a comprehensive understanding of the IOGL and its causes.

  • Places in news: Ubinas Volcano

    Central Idea

    • Peru declared a state of emergency for sixty days in areas around the Ubinas volcano.
    • The volcano has been spewing ash and gas and is probably set to erupt.

    Ubinas Volcano

    • Ubinas is an active stratovolcano located in the Moquegua Region of southern Peru, approximately 60 kilometers east of the city of Arequipa.
    • It is part of the Central Volcanic Zone of the Andes and stands at an elevation of 5,672 meters above sea level.

    Geological Characteristics

    • Stratovolcano Formation: Ubinas is characterized by its stratovolcano structure, comprising layers of hardened lava, ash, and other volcanic materials.
    • Caldera and Crater: The volcano’s summit contains a 1.4-kilometer-wide and 150-meter-deep caldera, within which lies a smaller crater. This distinct feature adds to the volcano’s geological significance.
    • Ubinas I and Ubinas II: The volcano exhibits an upwards-steepening cone shape, with a notable notch on its southern side. The lower part is referred to as Ubinas I, while the steeper upper section is known as Ubinas II, representing different stages in the volcano’s geological history.

    Volcanic Activity

    • Active Volcanic History: Ubinas is recognized as the most active volcano in Peru, displaying a history of small to moderate explosive eruptions and persistent degassing.
    • Notable Eruptions: The volcano has experienced notable eruptions throughout history, including the 2006–2007 event that resulted in eruption columns, ash fall, health concerns, and evacuations in the region.
    • Recent Activity: From 2013 to 2017, Ubinas exhibited lava flow within the crater, accompanied by ash falls, leading to further evacuations in nearby towns.

    Eruption and Impact

    • Ash and Gas Emissions: The Ubinas volcano has been actively spewing ash and gas.
    • Smoke Cloud and Affected Areas: The smoke cloud generated by the eruption has reached towns located up to 10 kilometers away from the volcano. This has raised concerns for the well-being of approximately 2,000 people residing in the affected areas.
    • The “Ring of Fire”: The region where Ubinas is situated falls within the “Ring of Fire,” an area around the Pacific Ocean known for its high volcanic and seismic activity.

     

  • What is Ambergris?

    amber

    Central Idea

    • The discovery of a sperm whale carcass on the shore of the Canary Island of La Palma has led to an extraordinary find.
    • During the post-mortem examination, a pathologist found ambergris, a highly valuable substance often referred to as “floating gold,” stuck in the whale’s colon.
    • The estimated worth of the retrieved lump of ambergris is around €500,000 (Rs 4,47,62,500).

    What is Ambergris?

    • Origin: Ambergris is a waxy substance formed in the digestive system of protected sperm whales.
    • Formation: One theory suggests that ambergris is produced in the gastrointestinal tract of sperm whales to aid the passage of hard objects ingested during feeding.
    • Appearance and Odour: Freshly passed ambergris is light yellowish and fatty, but it ages and turns waxy, taking on red-brownish colors. It possesses a mild, earthy, sweet smell with hints of marine odor.

    Uses and Rarity of Ambergris

    • Perfume Industry: Traditionally, ambergris is used in the production of perfumes, adding a musky note.
    • Historical Uses: In the past, ambergris was utilized to flavor food, alcoholic beverages, and tobacco in certain cultures.
    • Rarity and Value: Ambergris is a scarce substance, contributing to its high demand and significant price in the international market.

    Legal Restrictions in India

    • Wildlife Protection Act: Sperm whales, the source of ambergris, are a protected species under Schedule 2 of the Wildlife Protection Act in India.
    • Illegal Possession and Trade: The possession and trade of ambergris and its by-products, including in India, are prohibited under the Wildlife Protection Act of 1972.
    • Smuggling and Trade Routes: Smuggling networks involved in ambergris trade often procure the substance from coastal areas in India and transport it through countries with comparatively less stringent sea trade regulations.

  • 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

     

  • Diversity for Restoration (D4R) Tool

    Central Idea

    • The Diversity for Restoration (D4R) tool, has been modified to adapt to the Indian context by researchers from Ashoka Trust for Research in Ecology and the Environment (ATREE).
    • The tool aims to support restoration programs in India by improving decision-making and promoting sustainable development.

    What is D4R tool?

    • The Diversity for Restoration (D4R) tool is a tool developed by Bioversity International.
    • It is designed to assist in promoting effective agroforestry and ecosystem restoration.
    • The tool aims to improve decision-making in restoration programs by providing information on tree species selection and their ecological benefits.

    Key features and functions of the D4R

    • Species Identification: Helping users identify tree species that align with their restoration objectives.
    • Geographic Suitability: Assisting in determining which plant species are best suited for specific geographic locations.
    • Resilience and Adaptation: Identifying species that can withstand local stresses and adapt to changing environmental conditions.
    • Seed Procurement: Providing information on areas and regions to obtain seeds for the required species.
    • Plant Functional Traits: Incorporating information on economic and ecological uses of tree species to guide selection.
    • Habitat Suitability Modeling: Predicting suitable habitats for specific tree species based on present and future climate scenarios.
    • Comprehensive Information: Providing details on commercial benefits, physiological resilience, windbreaking capabilities, nitrogen-fixing, and pollinator support of tree species.

  • India adds 664 animal species to its faunal database in 2022

    specie

    Central Idea

    • India’s faunal database expands with the addition of 664 animal species in 2022.
    • The database also includes 339 new plant taxa, comprising new species and distributional records.

    Report- New Species and New Records 2023

    • The faunal discoveries have been compiled in a publication by the Zoological Survey of India (ZSI) titled “Animal Discoveries – New Species and New Records 2023.”

    [A] Faunal Discoveries

    • Major discoveries include new species and records of mammals, birds, reptiles, amphibians, and fish.
    1. Mammals: Three new species and one new record, including two species of bats from Meghalaya.
    2. Birds: Two new records, such as the yellow-rumped flycatcher in the Andaman archipelago.
    3. Reptiles: Thirty new species and two new records.
    4. Amphibians: Six new species and one new record.
    5. Fish: Twenty-eight new species and eight new records.
    • Invertebrates constitute the majority of new faunal discoveries, with insects comprising 384 species.
    • Vertebrates account for 81 species, with fish being the most dominant group.

    Notable species

    • Sela macaque (Macaca selai): A new macaque species discovered in Arunachal Pradesh.
    • Macaca leucogenys: A white-cheeked macaque sighted in India for the first time.
    • Glischropus meghalayanus: A bamboo-dwelling bat species from Meghalaya.
    • Ficedula zanthopygia: The yellow-rumped flycatcher recorded in the Andaman archipelago.

    Distribution of New Faunal Discoveries

    The fauna diversity of the country increased to 1,03,922 species.

    • Kerala: Recorded the maximum number of new species, accounting for 14.6% of all new discoveries.
    • Karnataka: Followed with 13.2% of new species and records.
    • Tamil Nadu: Contributed 12.6% of all new discoveries and records.
    • Andaman and Nicobar Islands: Accounted for about 8.4% of the discoveries.
    • West Bengal: Represented 7.6% of the new discoveries.
    • Arunachal Pradesh: Contributes 5.7% of the new discoveries.

     [B] Floral Discoveries

    • The Botanical Survey of India (BSI) published “Plant Discoveries 2022,” which includes 339 new plant taxa.
    • These discoveries consist of new species and distributional records.
    • The discoveries encompass seed plants, fungi, lichen, algae, bryophytes, microbes, and pteridophytes.
    • Seed plants comprise the majority, with dicotyledons contributing 73% and monocotyledons 27%.
    • Western Himalayas and Western Ghats are prominent regions for plant discoveries.
    • Kerala recorded the highest number of plant discoveries (57), accounting for 16.8% of all discoveries.
    • The plant discoveries include wild relatives of potential horticultural, agricultural, medicinal, and ornamental plants.

    Notable Floral Discoveries

    • Nandadevia Pusalkar: A genus common in the Uttarakhand Himalayas.
    • Nilgiriella Pusalkar: An endemic genus found in the southern Western Ghats.
    • Calanthe lamellosa: An orchid species recorded for the first time in India, found in Nagaland.

    Conclusion

    • By compiling these new discoveries and records, India continues to expand its knowledge of its faunal and floral diversity, emphasizing the importance of conservation efforts.