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Subject: Conservation & Mitigation

1. Conservation Progs.
2. Worldwide initiatives
3. Mitigation Strategies
4. Conventions and Protocols

  • Biosphere reserves are evolving as pockets of hope

    Central idea 

    World Biosphere Reserve Day on November 3 emphasizes the global importance of UNESCO-designated reserves in conserving biodiversity and mitigating climate change. With 748 reserves in 134 countries, challenges like deforestation persist, necessitating local collaboration, sustainable tourism, and international cooperation for effective conservation.

    Key Highlights:

    • World Biosphere Reserve Day: Annual celebration on November 3 to raise awareness and promote the conservation of biosphere reserves.
    • UNESCO Designation: Biosphere reserves designated by UNESCO for biodiversity conservation, sustainable development, and research.
    • Global Impact: 748 biosphere reserves in 134 countries, influencing the lives of over 250 million people.
    • Transboundary Collaboration: 22 transboundary sites fostering cooperation between neighboring countries.

    Key Organizations:

    • UNESCO (United Nations Educational, Scientific and Cultural Organization): Initiator and supporter of the Man and the Biosphere (MAB) Programm Designates and recognizes biosphere reserves globally, promoting conservation and sustainable development.
    • United Nations Development Programme (UNDP): Collaborates with biosphere reserves to support sustainable development initiatives.
    • United Nations Environment Programme (UNEP): Engages in activities to enhance environmental sustainability within biosphere reserves.
    • International Union for Conservation of Nature (IUCN): Supports UNESCO in biodiversity conservation efforts and sustainable development.
      Prelims focus

      UNESCO MAB Award:

        • The Gulf of Mannar Biosphere Reserve Trust received the UNESCO Michel Batisse Award for Biosphere Reserve Management in 2023, recognizing exemplary efforts in conservation.

      Origin of Man and the Biosphere (MAB) Programme:

       

      Inception: Established by UNESCO (United Nations Educational, Scientific and Cultural Organization) in 1971.

      Inspiration: Evolved from the recommendations of the International Biological Programme (IBP), recognizing the need for a comprehensive approach to address the human-environment relationship.

      MAB’s Foundation: Launched during the 16th session of the UNESCO General Conference in 1971, with the primary goal of integrating natural and social sciences for sustainable development and biodiversity conservation.

      Key Drivers: Emerged as a response to growing concerns about the impact of human activities on the environment and the need for a coordinated effort to balance conservation and development.

       

       

    Challenges and Concerns:

    • Anthropogenic Pressures: Human-induced pressures on biosphere reserves, such as pollution, habitat destruction, and overexploitation, pose significant threats to biodiversity.
    • Climate Change Impact: The increasing impacts of climate change, including rising temperatures and extreme weather events, challenge the resilience of biosphere reserves and their ability to support diverse ecosystems.
    • Lack of Funding: Many biosphere reserves face financial constraints, hindering effective conservation efforts and the implementation of sustainable development projects. Adequate funding is crucial for long-term success.
    • Deforestation, invasive species, and land use changes like mining pose significant challenges.
    • Urbanization and population growth contribute to increased exploitation.

    Analysis:

    • Role as Carbon Sinks: Biosphere reserves play a crucial role as carbon sinks, absorbing carbon dioxide and contributing to climate change mitigation.
    • Economic and Biodiversity Significance: Provide a foundation for sustainable economic development and protect diverse biodiversity.

    Key facts:

    • World Biosphere Reserve Day: Celebrated on November 3 annually to raise awareness about biosphere reserves.
    • Biosphere Reserves Globally: Currently, 748 biosphere reserves across 134 countries.
    • Transboundary Sites: 22 transboundary biosphere reserve sites, fostering cooperation between neighboring countries.
    • Global Impact: Biosphere reserves impact the lives of over 250 million people in 134 countries.
    • Local Initiatives: Examples include the Sundarban Biosphere Reserve in India, where local communities manage mangrove forests, and the Gulf of Mannar Biosphere Reserve, introducing ‘plastic checkpoints’ for waste management.

    Key Terms:

    • Biosphere Reserves: Designated by UNESCO for conservation, sustainable development, and research.
    • Carbon Sinks: Areas like forests and the ocean that absorb carbon dioxide from the atmosphere.
    • World Biosphere Reserve Day: Annual celebration on November 3 to raise awareness about biosphere reserves.

    Way Forward:

    • Local Collaboration for Conservation: Emphasize the importance of local collaboration for effective conservation efforts. Encourage the active involvement of local communities in biodiversity protection and sustainable practices.
    • Addressing Specific Threats: Develop targeted strategies to address diverse threats such as deforestation, invasive species, and land use changes. Implement policies and practices that mitigate the impact of urbanization and population growth on biosphere reserves.
    • Promoting Sustainable Tourism: Encourage sustainable tourism practices within biosphere reserves to minimize negative environmental impacts. Educate tourists and local communities about responsible tourism to ensure the long-term well-being of these ecosystems.
    • International Cooperation: Strengthen international cooperation for the conservation of transboundary biosphere reserves. Facilitate knowledge exchange and collaborative initiatives to address global environmental challenges.

    This World Biosphere Reserve Day serves as a crucial moment to reflect on the significance of these natural treasures and the collective responsibility to ensure their preservation for future generations.

  • In news: Mhadei Wildlife Sanctuary (WLS)

    Mhadei Wildlife Sanctuary

    Central Idea

    • The Goa bench of the Bombay High Court issued directives to the Goa government, compelling the establishment of a tiger reserve within Mhadei Wildlife Sanctuary (WLS).
    • The National Tiger Conservation Authority (NTCA) had identified Goa’s Cotigao-Mhadei forest complex, which encompasses several protected areas, as an ideal habitat for tigers.

    About Mhadei Wildlife Sanctuary

    Location Western Ghats, spanning Goa, Karnataka, and Maharashtra.
    Establishment Designated as a wildlife sanctuary in 1999.
    Area Approximately 208.5 square kilometers.
    Ecological Significance Located within the UNESCO World Heritage-listed Sahyadri mountain range. Comprises various forest types and grasslands, supporting diverse flora and fauna.
    Flora Rich in plant species, including medicinal plants and endemic flora.
    Fauna Home to Tigers, Indian gaur, sambar deer, leopards, barking deer, wild boars, reptiles, amphibians, and birds.
    Conservation Importance Crucial for conserving endangered species and maintaining biodiversity in the Western Ghats. Promotes genetic diversity through wildlife corridors.
    Legal Dispute Ongoing disagreement between Goa and Karnataka regarding Mhadei/Mahadayi (Mandowi) River water diversion, with concerns about its impact on the sanctuary’s ecology.

  • Indians are choking on pollution. How can it be stopped?

    Central idea

    Severe health consequences of air pollution cannot be mitigated by personal protection measures alone. Clean, public transport and rapid transition away from fossil fuels are needed.

    Key Highlights:

    • Air pollution in India, particularly in cities like Delhi, is significantly reducing life expectancy.
    • A recent report estimates an average loss of 5.3 years of life expectancy in India due to air pollution.
    • Delhi, one of the most polluted cities globally, faces an even worse scenario with an estimated life loss of 11.9 years.

    Challenges:

    • 39 out of 50 of the world’s most polluted cities are in India, impacting both urban and rural areas.
    • Pollutants monitored include PM 10, PM 2.5, nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, ammonia, lead, benzene, formaldehyde, and cadmium.
    • India’s air quality standards are less stringent than WHO standards, with concerns about health risks even at lower pollution levels.

    Concerns:

    • Prolonged exposure to air pollution, even at satisfactory Air Quality Index (AQI) levels, can have adverse health effects.
    • Geographical factors, like the landlocked Indo-Gangetic plain, exacerbate pollution levels, especially during winters.
    • Both outdoor and indoor sources contribute to air pollution, impacting various regions differently.

    Analysis:

    • Health harms range from acute effects like respiratory issues to severe conditions such as heart attacks and strokes.
    • Long-term exposure to air pollution is linked to hypertension, cardiovascular diseases, cancers, diabetes, dementia, cataracts, and more.
    • Pregnant women and children are particularly vulnerable, facing risks of stillbirths, neonatal deaths, low birth weight, and developmental issues.

    Key Data:

    • The WHO’s PM 2.5 limit is 5 microns, while India allows 40 microns.
    • Delhi’s current AQI of 126 exceeds national and WHO standards.
    • 22 states meet national AQI standards, but none meet WHO standards.

    Key Terms:

    • Particulate matter (PM 2.5) and ultra-fine particles.
    • AQI categories: Good, satisfactory, moderately polluted, poor, very poor, and severe.
    • Emission sources: line, point, area, and natural sources.
    • Personal protection measures, including air purifiers, masks, and breathing exercises.

    Way Forward:

    • Urgent measures needed for clean transport, increased public transport usage, renewable energy adoption, and waste disposal improvements.
    • Addressing household air pollution through alternative fuel use and better ventilation.
    • Proactive public policy, enforcement, monitoring, and innovations required to combat air pollution and its health impacts.

  • Cloud Seeding

    cloud seeding

    Central Idea

    • Solapur, a city with limited rainfall due to its location on the leeward side of the Western Ghats, witnessed an 18% relative enhancement in rainfall through a cloud seeding experiment.

    What is Cloud Seeding?

    Explanation
    Definition Weather modification technique to enhance precipitation.
    Objective Increase rainfall or snowfall in areas facing water scarcity or drought.
    Seeding Agents Silver iodide, calcium chloride, potassium iodide, sodium chloride, etc.
    Suitable Clouds Typically convective clouds with moisture and vertical motion.
    Methods of Dispersion Aircraft, rockets, ground-based generators, drones.
    Environmental Impact Generally considered safe with minimal environmental impact.
    Effectiveness Variable; depends on weather conditions and cloud characteristics.

    About CAIPEEX Experiment

    • The initiative, known as the Cloud Aerosol Interaction and Precipitation Enhancement Experiment (CAIPEEX phase-4), sought to investigate the effectiveness of hygroscopic seeding in deep convective clouds.
    • Over two hours after cloud seeding, an additional 8.67mm of rainfall was recorded, resulting in 867 million litres of augmented water availability.

    Importance of the Experiment

    • Growing NCD Burden: As India grapples with a rising burden of non-communicable diseases (NCDs), exacerbated by the consumption of pre-packaged foods, informed consumer choices and food safety become paramount.
    • Cloud Seeding Efficacy: The experiment underscores cloud seeding as an effective strategy for enhancing rainfall, particularly in regions with suitable conditions.
    • Cost-Benefit Analysis: The research evaluates the cost-effectiveness of cloud seeding, estimating the cost of producing water through cloud seeding at 18 paise per litre.

    Key Findings and Methodology

    • Randomized Seeding Experiment: The study selected 276 convective clouds, with 150 subjected to seeding and 122 serving as the control group.
    • Criteria for Seeding: Clouds with characteristics such as significant liquid water content, vertical motion indicative of cloud growth, and depth exceeding one kilometre were targeted.
    • Seeding Agent: Calcium chloride flares were employed for cloud seeding, ensuring optimal dispersion and entry into growing clouds.
    • Rainfall Enhancement: Seeded clouds produced more rainfall than unseeded ones, resulting in an 18% relative enhancement.

    Implications and Future Prospects

    • Water Management: While cloud seeding alone cannot alleviate droughts, it can contribute to an 18% increase in rainfall and partially address water requirements.
    • Cost Reduction: Utilizing indigenous seeding aircraft could reduce costs by over 50%, making cloud seeding more accessible.
    • High-Resolution Numerical Model: The study has developed a numerical model to help stakeholders identify target locations, suitable clouds for seeding, and effective strategies for enhancing rainfall.

  • Breaking the ice: How India can help save the Arctic

     

    arctic

    Central idea

    The article highlights India’s pivotal role in the G20 Summit, emphasizing its ability to broker consensus between the Global North and South for climate protection. Focused on the Arctic, it underscores the urgent need to address the region’s environmental challenges and advocates for India’s active involvement in reforming Arctic governance for long-term climate preservation.

    Arctic issue 

    • Global Significance: The Arctic, crucial for the world’s climate, is warming four times faster than the global average, leading to unprecedented environmental changes.
    • Disproportionate Impact: Climate change, particularly in the Arctic, disproportionately affects the Global South, as evidenced by intricate correlations with extreme events like Indian summer monsoons.
    • Governance Challenges: Rapid development and geopolitical tensions, especially Russia’s focus on commercial exploitation, pose challenges to the current governance mechanism, such as the Arctic Council’s suspension due to the Russian invasion of Ukraine.

    India’s Pivotal Role in the G20 Summit:

    • Diplomatic Achievement: Hosting the G20 Summit showcases India’s diplomatic prowess, extracting consensus in a multipolar world.
    • Counterbalance to Expansionism: India’s role is pivotal in balancing and deterring Chinese expansionism, positioning it as a mediator between the Global North and South.
    • Climate Mediator: The nation’s diplomatic efforts extend to climate protection, reflecting its commitment to addressing global challenges.

    Addressing Climate Protection:

    • Arctic Focus: The article emphasizes India’s crucial link to climate protection, with a specific focus on the rapidly warming Arctic.
    • Ecosystem Safeguarding: By brokering consensus at the G20 Summit, India plays a key role in safeguarding ecosystems, especially those vulnerable to climate change.
    • Global Impact: India’s involvement highlights its commitment to protecting the environment and contributing to global climate efforts.

    Urgent Need to Reform Arctic Governance:

    • Challenges Posed by Russia: Russia’s commercial interests in the Arctic pose challenges to environmental preservation, necessitating urgent governance reforms.
    • Suspension of the Arctic Council: The article underscores the impact of the Arctic Council’s suspension and highlights India’s potential role in its reinstatement.
    • Proactive Indian Involvement: India’s active participation in the Arctic Council is seen as crucial for voicing concerns and advocating reforms.

    Environmental Challenges and Potential of India:

    • Bridging Historical Divides: India’s potential lies in its ability to bridge historical divides, fostering aligned positions among nations.
    • Global South Leadership: India’s active involvement in the Arctic Council positions it as a leader in the Global South, advocating for environmental causes.
    • Diplomatic Momentum: Leveraging diplomatic momentum, India can address challenges posed by geopolitical tensions and commercial interests.

    Highly important key points from this article

    • Arctic warming is four times faster than the global average, resulting in unprecedented sea ice loss and permafrost thawing.
    • Continued Arctic change may release carbon, rivaling US cumulative emissions.
    • Melting Arctic correlates with extreme rainfall in the Indian monsoon, affecting agriculture crucial to the Global South.
    • The Arctic Council governing global commons is suspended due to geopolitical tensions.
    • India, part of the Global South, holds observer status in the Arctic Council.

     

    Arctic Council from a prelims perspective:

     

    Formation and Members: The Arctic Council is an intergovernmental forum established in 1996. It consists of eight Arctic States: the United States, Russia, Canada, Norway, Denmark, Sweden, Finland, and Iceland.

    Observer Status: The Council allows for the participation of non-Arctic states, intergovernmental and interparliamentary organizations as observers. India has observer status in the Arctic Council, indicating its interest in Arctic affairs.

    Focus Areas: The primary focus of the Arctic Council is on issues related to environmental protection, sustainable development, and scientific cooperation in the Arctic region.

     

    Way Forward and Global Leadership:

    • Utilizing Diplomatic Momentum: The way forward involves using India’s diplomatic momentum to lead discussions on climate governance.
    • Advocating Reforms: As India proposes a virtual G20 Summit, active advocacy for reforms in Arctic governance is crucial.
    • Commitment to Leadership: India’s commitment to global leadership in climate protection aligns with its aspirations and responsibility for sustainable environmental stewardship.

    Conclusion:

    In conclusion, the article highlights India’s dual role as a diplomatic consensus-builder and a champion for environmental causes. By navigating conflicts, proposing reforms, and actively participating in global initiatives, India can lead the charge in addressing urgent climate challenges, especially those posed by the warming Arctic. This approach aligns with India’s aspirations for global leadership and sustainable environmental stewardship.

  • Mitigating tragedies in the Himalayan region

    Central idea

    The article highlights the increasing risks of glacial lake outburst floods (GLOFs) in the Indian Himalayan Region due to climate change. It emphasizes the need for a comprehensive, multi-disciplinary effort to develop early warning systems and mitigation strategies for high-risk glacial lakes.

    Definition of GLOFs:

    • Glacial Lake Outburst Floods (GLOFs) are sudden and massive releases of water from glacial lakes, often triggered by the collapse of glacial moraines or other natural events. These floods pose severe threats to downstream areas.

    Features of Glacial Lake Outburst Floods (GLOFs)

    • Rapid Onset: Glacial Lake Outburst Floods (GLOFs) are characterized by their sudden and rapid onset. These floods can unleash enormous amounts of water in a short period, often catching downstream communities off guard.
    • Highly Destructive: GLOFs are highly destructive natural disasters. The massive volume of water released during an outburst can lead to flash floods, causing widespread damage to infrastructure, agriculture, and ecosystems in the affected areas.
    • Glacial Lakes as Time Bombs: Glacial lakes, formed by the melting of glaciers, act as reservoirs for potential GLOFs. The increasing rate of glacier melt, attributed to climate change, raises concerns about the growing number of these ‘time bombs’ that could pose threats to downstream regions.
    • Global Impact: GLOFs are not confined to specific regions but have a global impact. The risk of GLOFs exists in various mountainous areas worldwide, including the Himalayas, Andes, Alps, and the Rocky Mountains. Climate change exacerbates these risks, making GLOFs a concern on a broader scale.

    Consequences of GLOFs:

    • Flash Floods: The rapid release of water leads to flash floods downstream, causing immediate and extensive damage.
    • Morphological Changes: GLOFs alter the landscape, leading to changes in river courses and topography.
    • Loss of Life and Property: Downstream communities face a high risk of casualties, property damage, and loss of livelihoods.
    • Permanent Changes: GLOFs bring permanent alterations to the affected areas, impacting their socio-economic fabric.

    Challenges in Monitoring and Prediction:

    • Monitoring and predicting such cascading events are challenging, requiring an integrated system for early warnings and risk mitigation.
    • The Himalayan Region faces a range of hydro-meteorological, tectonic, climate, and human-induced mountain hazards, making monitoring and estimation difficult due to the multitude of glaciers and temporal variations in glacial recession.

    Well known examples

    • South Lhonak Lake, Sikkim (2023): The recent glacial lake outburst flood in Sikkim resulted in the death of 14 people and left 102 missing. The South Lhonak Lake, situated at 17,000 ft, burst due to incessant rains, causing flash floods in downstream areas along the Teesta river.
    • Chorabari Tal, Uttarakhand (2013): In 2013, flash floods and a glacial lake outburst flood were triggered by the Chorabari Tal glacial lake in Uttarakhand’s Kedarnath. The event caused widespread destruction, leading to the loss of thousands of lives.

    Government Schemes and Initiatives

    • Early Warning Systems: The National Disaster Management Authority (NDMA) led a preparatory mission, installing automated cameras and monitoring equipment at high-altitude glacial lakes. Despite challenges, this initiative is a step towards developing an end-to-end early warning system.
    • Geo-technical Solutions: Globally, measures like excavating channels, drainage systems, spillway construction, and small catchment dams have been attempted. However, implementing these at high altitudes faces formidable challenges, including inaccessibility and harsh conditions.
    • National Remote Sensing Centre’s Atlas: The NRSC’s Glacial Lake Atlas of 2023 provides crucial data on the distribution of glacial lakes. It highlights the vast number of high-risk lakes in the Indus, Ganga, and Brahmaputra basins, emphasizing the enormity of the challenge.

    Way Forward

    • Integrated Efforts: Addressing the GLOF risk requires collaboration across institutions. The NRSC’s remote sensing data, the Central Water Commission’s hydro-dynamic assessments, and the NDMA’s guidelines contribute to a comprehensive understanding of the hazard.
    • Comprehensive GLOF Risk Mitigation Plan: A plan is in progress, focusing on installing monitoring and early warning systems. However, the success of this plan depends on the collective efforts of governments and scientific institutions.

     

    Conclusion

    Mitigating GLOFs demands immediate attention. The integration of resources and capacities, along with a focus on prevention and mitigation, will reduce the impact on downstream communities. The government’s initiatives and collaborative efforts are crucial steps towards ensuring the stability and resilience of Himalayan communities in the face of increasing climate risks.

     

  • Why Mumbai is witnessing more poor air quality days

    mumbai

    Central Idea

    • Mumbai, known for its coastal breeze and cleaner air, is grappling with an annual decline in air quality, resembling Delhi’s long-standing pollution woes.
    • The city’s coastal location, once considered a safeguard against air pollution, is no longer a reliable defense.

    Air Quality Deterioration in Mumbai

    • Geographic Advantage Eroded: Mumbai’s coastal location was historically its shield against air pollution, with sea breezes dispersing particles.
    • Comparable Pollution Levels: Last year, Mumbai experienced an extended period of poor air quality, overlapping with Delhi’s notorious smog issue.

    Meteorological Influence

    • Crucial Wind Patterns: Winds’ direction and strength play a pivotal role in shaping Mumbai’s air quality. Despite similar pollutant emissions to Delhi, the city’s coastal nature provides an advantage.
    • Sea-Land Wind Cycle: Typically, winds alternate between sea-to-land and land-to-sea movements every few days, aiding natural cleansing. Disruptions in this cycle can impact air quality.

    Reasons for such poor air quality

    • La Nina’s Role: The recent dip in La Nina, characterized by ocean surface cooling and altered wind patterns, contributed to elevated particulate matter levels in Mumbai.
    • Prolonged Pollution: La Nina’s influence delayed the expected strong wind reversal from the sea, trapping pollutants in the lower atmosphere for extended periods.
    • Change in Weather Phenomenon: La Nina has given way to El Nino, albeit weaker. Its specific impact on Mumbai’s air quality remains uncertain.
    • Prevalent Construction Projects: The city is currently witnessing construction activities at a staggering 6,000 sites, posing a significant challenge to air quality.
    • Dust Displacement: Dust particles from roads and vehicles transporting construction debris add to Mumbai’s pollution burden.
    • Domestic Sources: Restaurants, dhabas, and eateries using unclean oils for cooking release ultrafine particles, oil droplets, and condensed organic compounds, along with harmful gases such as nitrogen dioxide and carbon monoxide.

    How local weather fuels it?

    • Calm Winds and Temperature Gradient: As the monsoon retreated, Mumbai experienced calmer winds. A substantial temperature difference between the city and nearby Sahyadri ranges led to winds carrying dust from construction sites in Navi Mumbai.
    • Local Weather Not Sole Culprit: Unfavorable local weather conditions are not solely responsible for Mumbai’s air quality decline.
    • Baseline Pollution High: Mumbai’s consistent and escalating pollutant emissions are exceeding its environmental capacity.
    • Economic Growth: Increased economic activity, higher vehicle numbers, extensive construction, and elevated consumption contribute to rising emissions.

    Conclusion

    • Mumbai’s air quality predicament signals the urgency of addressing escalating pollution sources and fortifying mitigation measures.
    • While meteorological conditions play a role, the city’s growing economic activity and emissions are the driving forces behind its deteriorating air quality.
    • Relevant authorities must take proactive steps to combat this issue and ensure a healthier environment for its residents.

  • Places in news: Dhanauri Wetland

    Dhanauri Wetland

    Central Idea

    • The National Green Tribunal has given the UP government four weeks to inform it about the status of the Ramsar tag for Dhanauri wetlands.

    Dhanauri Wetland

    • The Dhanauri Wetlands is a bird-watching area located in Dhanauri village near Dankaur in Uttar Pradesh.
    • It is home to over 120 Sarus cranes (Sarus Cranes is the state bird of Uttar Pradesh).
    • It is a sanctuary for 23 species of endangered, critically endangered, and threatened birds, with special significance as a habitat for the majestic Sarus crane.

    Ecological Significance

    • Dhanauri is a natural wetland that hosts more than 217 bird species, including over 150 Sarus cranes, and serves as a vital birding and nesting site.
    • It has received recognition as an Important Bird Area by Bird Life International and has been documented by the BNHS (Bombay Natural History Society).
    • During peak migratory seasons (November to March), the wetland hosts over 50,000 waterfowls.

    Why in news?

    • Dhanauri plays a crucial role in supporting the vulnerable Sarus crane population.
    • The wetland fulfills two key Ramsar site criteria out of nine:
      1. It hosts over 1% of the biogeographic Sarus crane population.
      2. The area serves as a congregation site for 20,000+ waterfowls and various other species.

    Ramsar Wetlands

    • The Ramsar Convention, also known as the ‘Convention on Wetlands,’ is an intergovernmental environmental treaty founded by UNESCO in 1971.
    • It derives its name from the city of Ramsar in Iran, where it was initially signed.
    • Ramsar sites are wetlands of global significance recognized under this treaty.
    • The Montreux Record is a register of wetland sites on the brink of ecological changes and in need of close monitoring under the Ramsar Convention.

    Ramsar Site Designation Criteria:

    Ramsar site designation hinges on several factors:

    1. Representing rare or unique natural wetland types.
    2. Supporting endangered species or threatened ecological communities.
    3. Maintaining biodiversity in specific biogeographic regions.
    4. Offering refuge during adverse conditions.
    5. Regularly accommodating 20,000 or more waterbirds.
    6. Sustaining 1% of a population of a single water-bird species.
    7. Serving as a critical source of food, spawning grounds, nurseries, and migration paths for fish.
    8. Regularly supporting 1% of a population of non-avian wetland-dependent animal species.

  • Kanwar Lake: Bihar’s only Ramsar Site drying up

    kanwar lake

    Central Idea

    • Kawar Lake, Bihar’s only Ramsar Site, is experiencing a significant decrease in water levels and degradation.
    • However, it is drying up due to negligence.

    About Kanwar Lake/ Kabartal Wetland

    • The Kanwar Lake is Asia’s largest oxbow lake situated in the Begusarai district of Bihar.
    • It is a residual oxbow lake, formed due to the meandering of Gandak River, a tributary of Ganga.
    • It was declared a Ramsar site in 2020, making it the first wetland in Bihar to be included in the Ramsar convention.
    • This lake draws water from the confluence of the Gandak, the Bia and the Kareh river – is situated near Manjhaul, 22 km northwest of Begusarai, the district headquarters.

    Various threats to Kanwar Lake

    • Challenges include migratory bird hunting, agricultural activities around wetland areas, and government policies related to wetland management and conservation.
    • This decline has negatively impacted the livelihoods of around 20,000 Nishad community members in nearby villages who depend on fishing.

    Bihar’s Wetland Potential

    • Bihar possesses a substantial area of wetlands, covering around 4.4% of its total geographical area, according to data from ISRO.
    • Despite its wetland potential, Bihar has only one recognized Ramsar site out of a total of 75 in India.

    Potential Wetlands

    • Bihar has proposed several wetlands for Ramsar designation, including Kusheshwarsthan, Barela, Goga Bil, Nagiand Nakti dams, Udaipur Lake, Vikramshila Gangetic Dolphin Sanctuary, and Gokul Reservoir.
    • These wetlands are home to a range of wildlife, including migratory birds and endangered species like dolphins.

    Back2Basics:

    Ramsar Convention
    Purpose International treaty aimed at conserving and promoting the sustainable use of wetlands.
    Establishment Established on February 2, 1971, in Ramsar, Iran.
    Participating Countries 171 contracting parties (countries) as of September 2021.
    India and Ramsar Convention The first Ramsar Site in India, the Chilika Lake in Odisha, was designated in 1981.

  • Status of Dumpsite Remediation across India

    Dumpsite Remediation

    Central Idea

    • Dumpsite remediation in India holds immense significance due to its profound impact on the environment, public health, and overall quality of life.
    • These unregulated dumpsites release harmful gases, pollute air and water, and pose severe health risks to nearby communities.

    Dumpsite Remediation: Government Initiatives and Progress

    • Govt Commitment: The Indian government aims to remediate all dumpsites in the country by 2025 under the Swachh Bharat Mission (SBM) 2.0.
    • Progress Overview: Over 82.7 million tonnes of waste have been remediated, reclaiming 3,477 acres of land.
    • State Progress: Mizoram has fully remediated its waste, while states like Chandigarh, Haryana, Uttar Pradesh, and Gujarat have addressed 50-60% of their legacy waste.

    Challenges and Complexities

    • Topographical Challenges: States with mountainous terrains like Assam, Nagaland, Manipur, Sikkim, Meghalaya, Ladakh, and Jammu & Kashmir face difficulties in waste transport and utilization.
    • Economic Viability: Some states struggle to find economically viable disposal options for combustible fractions and fine soil-like material.
    • Waste Composition: Around 8% of legacy waste comprises combustible fractions.
    • Limited Co-Processing Units: India has 54 co-processing units, with only 13 states having operational units.

    Benefits of Recovered Material

    • Construction and Filling Solutions: Repurposed fine soil-like material can be used in road construction and to stabilize flood-prone areas.
    • Improving Engineering Properties: Fine soil enhances roadbed engineering.
    • Elevation and Stabilization: Fine fraction elevates and stabilizes low-lying areas.

    Another aspect: GHGs Emissions from Waste

    Methane Emission Sources

    • Wastewater’s High Contribution: Wastewater treatment is a major source of methane emissions.
    • Organic Matter Decomposition: Methane is produced during organic matter decomposition in wastewater and solid waste disposal.
    • Solid Waste Disposal: Methane is generated in landfills, open dumps, and waste disposal sites.

    Overall Methane Emissions in India

    • India’s Methane Emissions: In 2016, India emitted 409 million tonnes of CO2 equivalent methane.
    • Sector-Wise Breakdown: Agriculture contributed 73.96%, waste 14.46%, energy 10.62%, and industrial processes 0.96%.
    • Key Contributors: Open dumpsites and landfills are significant sources.

    Lost Opportunities and Climate Impact

    • Persistent Methane Emissions: Even capped landfills emit methane due to biochemical reactions.
    • Untapped Energy Resource: Methane emissions represent missed energy opportunities.
    • Biogas Potential: 1 TPD of biodegradable waste can produce 80-100 cubic meters of biogas.
    • Environmental Harm: Disposing of biodegradable waste in landfills releases methane, a climate pollutant.

    Harnessing Methane for a Sustainable Future

    • Bio-Methanation: Implementing bio-methanation processes can capture methane for various applications.
    • Beneficial Applications: Captured methane can be converted into bio-CNG, electricity, or other fuels.
    • Material Suitability: Recovered material must meet engineering and environmental standards.
    • Regulatory Compliance: Compliance with local regulations is essential.

    Conclusion

    • Navigating Waste Remediation: India faces challenges and opportunities in dumpsite remediation. Addressing topographical barriers, ensuring economic viability, and maximizing material utilization are critical.
    • A Missed Opportunity: Dumpsites emit methane, a valuable energy resource. Proper waste management can mitigate climate impacts and unlock economic benefits.