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GS Paper: GS3

  • The hidden cost of greenwashing the Indian Railways

    Why in the news?

    The ‘Mission 100% Electrification’ project is like chasing an unrealistic dream of becoming a green railway, leading to many usable diesel locomotives becoming unnecessary.

    What are the key points of the report? 

    • Export of Repurposed Locomotives: RITES Ltd. is exporting six refurbished broad-gauge diesel locomotives to African railways after complex gauge conversion, marking a first in such re-engineering.
    • Idle Diesel Locomotives: Around 760 diesel locomotives, with over 60% still serviceable, are redundant due to the rapid electrification of the railway network.
    • Limited Environmental and Economic Gains: Electrification reduces only 2% of diesel consumption, while coal-powered electricity (50% of the total) negates environmental benefits, maintaining reliance on polluting sources.
    • Strategic Contradictions: Despite targeting 100% electrification, Indian Railways plans to retain 3,500 diesel locomotives for disaster management and traffic needs, undercutting “green” claims.
    • Policy and Financial Wastage: The rushed electrification drive has led to premature asset redundancy, wasting public funds without ensuring environmental or financial sustainability.

    What constitutes greenwashing in the context of Indian Railways?

    • Misleading Claims of Environmental Benefits: The Indian Railways’ push for 100% electrification is framed as a move towards a “green railway.” However, this initiative overlooks the fact that a significant portion of the electricity generated in India comes from coal-fired power plants, which are environmentally harmful.
      • Thus, the transition from diesel to electric locomotives may merely shift pollution from one source to another without achieving genuine environmental benefits.
    • Redundancy of Serviceable Assets: The decision to electrify the railway network has led to the premature stabling of functional diesel locomotives, many of which have considerable residual life left.
      • This not only represents a waste of resources but also raises questions about the actual motivations behind electrification efforts.
    • Focus on Slogans Over Substance: The Mission 100% Electrification initiative appears to prioritize headline-grabbing goals over comprehensive and well-thought-out policies.
      • This approach can be seen as greenwashing, as it promotes an image of environmental responsibility while failing to address the underlying issues related to energy sourcing and pollution.

    How do greenwashing practices impact public perception and trust?

    • Erosion of Credibility: When organizations like Indian Railways promote initiatives that are not genuinely sustainable, it can lead to public scepticism regarding their commitment to environmental issues.
    • Misallocation of Resources: Public perception may shift towards viewing government initiatives as wasteful or misguided, leading to decreased support for future projects that could have real environmental benefits.
    • Increased Public Scrutiny: Greenwashing practices often lead to increased scrutiny from activists, media, and the public.
      • As stakeholders demand transparency and accountability, organizations may face backlash for failing to deliver on their environmental promises.

    What regulatory measures can be implemented to combat greenwashing in the transportation sector? (Way forward)

    • Clear Guidelines for Environmental Claims: Establishing stringent regulations that define what constitutes legitimate environmental benefits can help prevent misleading claims.
      • Organizations should be required to substantiate their claims with verifiable data and transparent reporting.
    • Mandatory Sustainability Reporting: Implementing requirements for regular sustainability audits and reporting can ensure that transportation entities disclose their actual environmental impact, including emissions data and energy sources used.
    • Public Accountability Mechanisms: Creating independent bodies to assess and review claims made by transportation sectors regarding sustainability initiatives can enhance accountability.
      • These bodies could provide certifications or ratings based on genuine environmental performance rather than promotional claims.
    • Incentives for Genuine Sustainability Efforts: Providing financial incentives or recognition for organizations that implement effective sustainability measures can encourage genuine efforts rather than superficial compliance with green initiatives.

    Mains PYQ: 

    Q Why is Public Private Partnership (PPP) required in infrastructural projects? Examine the role of PPP model in the redevelopment of Railway Stations in India. (2022)

  • Green hydrogen and the financing challenge

    Why in the news?

    India aims to produce 5 million metric tonnes of green hydrogen annually by 2030 to lead in the sector and reduce emissions, but the high costs of financing may hinder this goal.

    Hydrogen fuel comes in three types:

    • Grey hydrogen (produced from natural gas), Blue hydrogen (Grey hydrogen with carbon capture), and Green hydrogen (produced using renewable energy through electrolysis, with no emissions).

    What are the key financial barriers to scaling green hydrogen production?

    • High Production Costs: The cost of producing green hydrogen is significantly higher ($5.30-$6.70 per kg) compared to traditional grey/blue hydrogen ($1.9-$2.4 per kg). This price disparity makes green hydrogen economically uncompetitive and deters investment and offtake.
    • High Weighted Average Cost of Capital (WACC): In emerging markets like India, higher perceived risks increase borrowing costs. This results in a high WACC, which heavily influences the Levelised Cost of Electricity (LCOE) and the overall cost of green hydrogen production.
    • High Electrolyzer Costs: The current costs of electrolyzers, ranging from $500-1,400/kW for alkaline and $1,100-1,800/kW for proton exchange membrane systems, further strain the financial viability of green hydrogen projects.
    • Scaling Challenge: Green hydrogen production costs can only decrease with scaled production, but scaling up requires financial viability. The market faces a catch-22 situation: without economies of scale, production remains expensive, and without lowering costs, scaling is unfeasible.

    How can innovative financing mechanisms be developed?

    • Blended Finance Models: Combining public and private capital can help lower risks and make investments in green hydrogen more attractive. Government-backed financial instruments or concessional loans can reduce borrowing costs, lowering WACC.
    • Green Bonds and Climate Financing: The issuance of green bonds to raise capital for renewable energy projects can provide long-term funding at lower costs. These bonds can appeal to investors with an interest in sustainable investments.
    • Private-Public Partnerships (PPP): Collaborations between government and private sectors can help mitigate risks and ensure the financing of green hydrogen projects. To attract private investors, governments can provide financial support through incentives, subsidies, or tax breaks.
    • Carbon Credits and Offtake Agreements: Green hydrogen projects could leverage carbon credits or long-term offtake agreements to secure steady revenue streams, which would increase investor confidence and help finance production scale-up.

    What role do policy frameworks play in facilitating investment in green hydrogen?

    • Incentives and Subsidies: Government policies offering subsidies, tax incentives, or feed-in tariffs can help offset the high initial costs of green hydrogen production and encourage private investment.
    • Long-Term Policy Clarity: Clear, stable, and long-term policy frameworks provide certainty to investors, reducing perceived risks and lowering the cost of capital. Such policies could include long-term targets for green hydrogen production, financing support, and infrastructure development.
    • Regulatory Support for Innovation: Governments can encourage innovation by providing regulatory frameworks that support new technologies, such as electrolyzers and advanced hydrogen storage solutions, ensuring the rapid scaling of green hydrogen.
    • Market Creation and Demand-Driven Initiatives: Policies that create demand for green hydrogen, such as mandatory usage targets for industries like steel, transportation, or chemicals, can drive off-take agreements and ensure market stability.

    Mains PYQ: 

    Q Describe the major outcomes of the 26th session of the Conference of the Parties (COP) to the United Nations Framework Convention on Climate Change (UNFCCC). What are the commitments made by India in this conference? (2021)

  • Olive Ridley Turtles

    Why in the News?

    Carcasses of Olive Ridley turtles have been found along the Visakhapatnam coast during their breeding season, raising concerns about their conservation.

    About Olive Ridley Turtles:

    Details
    • Olive Ridley turtles are sea turtles known for their olive-colored carapace.
    • They are carnivorous, primarily feeding on jellyfish, crustaceans, and mollusks.
    • Unique mass nesting behavior (Arribada), where thousands of females lay eggs in synchronized waves on the same beach.
    Their Habitat and Protection Status
    • Found in the warm waters of the Pacific, Atlantic, and Indian Oceans.
    • Largest rookery (breeding colony) is at Gahirmatha Marine Sanctuary, Odisha, India.
    • Other major nesting sites include Devi River mouth (discovered in 1981) and Rushikulya river mouth (discovered in 1994).
    • Protection Status:
    1. IUCN Status: Vulnerable
    2. CITES: Appendix I (No international trade)
    3. Wildlife Protection Act, 1972: Schedule I (Highest level of protection)
    Conservation Efforts
    • Project Olivia by Indian Coastguard to protect the Olive Ridley turtles, especially after the Gahirmatha rookery recognition.
    • Legal protections and environmental regulations safeguard nesting sites and prevent poaching.
    • Olive Ridley Protection Program ensures the safety of nests and hatchlings.

     

    PYQ:

    [2015] Which one of the following is the national aquatic animal of India?

    (a) Saltwater crocodile

    (b) Olive ridley turtle

    (c) Gangetic dolphin

    (d) Gharial

  • [pib] Telecom Technology Development Fund (TTDF) Program

    Why in the News?

    The Telecom Technology Development Fund (TTDF) has facilitated a collaboration between the Centre for Development of Telematics (C-DOT) and Trois Infotech on the development of “Face Recognition Using Drone” technology.

    About Telecom Technology Development Fund (TTDF):

    Details
    • Launched on October 1, 2022 under the Universal Service Obligation Fund (USOF), Ministry of Telecommunications.
    • Supports indigenous telecom technologies, especially for rural communication needs.

    About USOF (Universal Service Obligation Fund) 

    • USOF was established in April 2002 under the Indian Telegraph (Amendment) Act 2003.
    • Objective: To provide financial support for telecom services in rural and remote areas that are commercially unviable.
    • A non-lapsable fund, with the levy amount credited for continuous use.
    • Operates as an attached office of the Department of Telecom, headed by an administrator appointed by the Central Government.
    • Initially focused on providing basic telecom services in rural areas at affordable prices.
    • Expanded scope to include mobile services, broadband connectivity, and infrastructure development in rural and remote areas.
    Aims and Objectives
    • Encourage Innovation: Create synergies across stakeholders (startups, R&D, academia) and focus on rural-specific telecom solutions.
    • Bridge the Digital Divide: Provide affordable telecom solutions for rural areas and enhance connectivity.
    • Intellectual Property Creation: Support R&D projects contributing to patentable technologies.
    Key Features and Structural Mandate Funding Mechanism:

    • Grants for Indian startups, research institutes, academia, and telecom companies for R&D on rural telecom solutions.
    • Managed by Department of Telecommunications (DoT) with USOF as the administering body.

    Features:

    • Incentives for Startups: Provides financial incentives for telecom R&D projects from prototype to commercialization.
    • Collaborative Framework: Promotes collaboration between stakeholders such as startups, telecom companies, universities, and R&D centers.
    • PoC and Pilot Support: Encourages proof of concept testing and pilots to validate technological solutions.

     

    PYQ:

    [2019] In India, which of the following review the independent regulators in sectors like telecommunications, insurance, electricity, etc.?

    1. Ad Hoc Committees set up by the Parliament
    2. Parliamentary Department Related Standing Committees
    3. Finance Commission
    4. Financial Sector Legislative Reforms Commission
    5. NITI Aayog

    Select the correct answer using the code given below:

    (a) 1 and 2
    (b) 1, 3 and 4
    (c) 3, 4 and 5
    (d) 2 and 5

  • [pib] Import of Hazardous Waste

    Why in the News?

    The Ministry of Environment, Forest and Climate Change (MoEF&CC) has provided details of the Hazardous and Other Wastes (Management and Transboundary Movement) Rules, 2016 to the Lok Sabha.

    About Hazardous and Other Wastes (Management and Transboundary Movement) Rules, 2016:

    Details Notified by the Ministry of Environment, Forest and Climate Change (MoEF&CC) under the Environment (Protection) Act, 1986.

    Objective: Ensure safe storage, treatment, and disposal of hazardous wastes, minimizing harm to the environment and human health.
    Features of the Rules Import Regulations:

    1. Import of hazardous waste listed in Part A of Schedule III is permitted for recycling, recovery, reuse, and co-processing.
    2. Import for disposal is strictly prohibited in India.
    3. Import is allowed only for actual users (industries) with permission from MoEF&CC and a license from DGFT.

    Illegal Imports:

    1. Any import of hazardous waste without prior permission from MoEF&CC is illegal.
    2. Legal action can be taken under the Indian Ports Act, 1908 or the Customs Act, 1962.
    3. Ports and Customs Authorities are responsible for monitoring and taking action against illegal imports.

    Import/Export of Waste:

    1. No hazardous waste can be imported for final disposal into India.
    2. The rules specify procedures for importing and exporting hazardous waste.
    3. Exemptions are made for the export of silk waste and defective electrical/electronic components.

    Wastes Prohibited for Import:

    1. Waste edible fats and oils (animal/vegetable origin)
    2. Household waste
    3. Critical care medical equipment
    4. Tyres for direct re-use
    5. Plastic waste, including PET bottles
    6. Electrical and electronic scrap
    7. Other chemical wastes, especially in solvent form

    Treatment, Storage, and Disposal Facilities:

    1. The rules provide clear directions on how treatment, storage, and disposal facilities should be established.
    2. SPCBs must approve layout of these facilities.
    Powers and Functions of State Pollution Control Boards (SPCBs)
    • Duties Assigned to State Governments: Allocate space for recycling and pre-processing of hazardous waste, and implement skill development activities for worker safety.
    • Annual Reports: State governments must submit reports on hazardous waste management to MoEFCC. SPCBs must submit an annual inventory of hazardous waste management activities to ensure compliance
    • Monitoring and Compliance: SPCBs monitor adherence to rules and take action against violations.
    • Treatment, Storage, and Disposal Facilities: SPCBs approve and monitor facilities for hazardous waste treatment, storage, and disposal.

     

    PYQ:

    [2019] As per the Solid Waste Management Rules, 2016 in India, which one of the following statements is correct? 

    (a) Waste generator has to segregate waste into five categories.

    (b) The Rules are applicable to notified urban local bodies, notified towns and all industrial townships only.

    (c) The Rules provide for exact and elaborate criteria for the identification of sites for landfills and waste processing facilities.

    (d) It is mandatory on the part of the waste generator that the waste generated in one district cannot be moved to another district.

  • [pib] Green Cover around Coalfields

    Why in the News?

    Coal & Lignite Public Sector Undertakings (PSUs) such as Coal India Limited (CIL), NLC India Limited (NLCIL), and Singareni Collieries Company Limited (SCCL) have implemented various innovative plantation techniques in addition to traditional methods to increase green cover in and around coalfields.

    Achievements in Green Cover Creation:

    • Coal & Lignite PSUs have successfully created green cover on 10,942 hectares of land as part of their plantation and bio-reclamation efforts over the last 5 years.
    • The efforts are primarily focused on coal and lignite mining areas and surrounding regions.

    Guidelines and EC Conditions

    • The MoEF&CC sets out specific and general conditions for plantation in the Environmental Clearance (EC) of coal mining projects.
    • Plantations are carried out on:
      • Reclaimed degraded forest areas
      • Non-forest lands and overburden dumps to ensure proper reclamation and regeneration of green cover.
    • Under the guidance of the Ministry of Coal, 16 Eco-parks/Mine Tourism sites have been established over the last 5 years.
    • These sites aim to:
      • Promote environmental regeneration
      • Encourage tourism and recreational activities in coal mining areas, boosting local economies and raising environmental awareness.

    Innovative techniques for enhancing Green Cover around Coalfields

    • Three-tier plantation: A method involving planting different species at varying heights to create a layered canopy for enhanced biodiversity.
    • Seed ball plantation: Seeds are encased in soil and compost balls and thrown in barren or degraded areas to promote natural growth.
    • Miyawaki plantation: A high-density plantation technique aimed at creating a dense, self-sustaining forest in a shorter period.
    • High-tech cultivation: Utilizing modern agricultural techniques for efficient plantation and maintenance.
    • Bamboo plantation: Focusing on bamboo as a fast-growing and environmentally beneficial plant for reclamation.
    • Drip irrigation on overburden dumps: Use of efficient water management systems to promote plantation on areas like overburden dumps.

    PYQ:

    [2019] Consider the following statements:

    1. As per law, the Compensatory Afforestation Fund Management and Planning Authority exists at both National and State levels.
    2. People’s participation is mandatory in the compensatory afforestation programmes carried out under the Compensatory Afforestation Fund Act, 2016.

    Which of the statements given above is/are correct?

    (a) 1 only
    (b) 2 only
    (c) Both 1 and 2
    (d) Neither 1 nor 2

  • Employees’ Pension Scheme (EPS)

    Why in the News?

    The Parliamentary Standing Committee on Labour has recommended increasing the minimum pension of ₹1,000 paid by the Employees’ Provident Fund Organisation (EPFO) under the Employees’ Pension Scheme (EPS).

    About the Employees’ Pension Scheme (EPS):

    Details
    • Introduced in 1995 by the Employees Provident Fund Organisation (EPFO) under the Ministry of Labour and Employment.
    • Provides pension benefits to employees in the organized sector.
    Aims and Objectives
    • To provide pension benefits to employees in the organized sector.
    • Ensures financial security for employees post-retirement or in case of disability or death.
    Features and Significance
    • Employee and Employer Contribution: Both contribute 12% of the salary towards the EPF.
    • Employer’s Contribution: 8.33% of the employer’s contribution goes towards the pension fund.
    • Union Government Contribution: 1.16% of the employee’s basic salary is contributed to the pension fund.
    • Pension Fund Setup: The fund is created by allocating 8.33% of the employer’s contribution from the EPF corpus.
    Structural Mandate and Implementation Supreme Court in November 2022, the court upheld the Employees’ Pension (Amendment) Scheme, 2014, extending the deadline for opting for the new scheme by 4 months.

    • Pre-Amendment Scheme: Pensionable salary was based on the average salary of the last 12 months prior to exiting the pension fund.
    • Post-Amendment Scheme (2014): Pensionable salary based on average salary of the last 60 months (5 years).
    Eligibility Criteria
    • Applies to employees whose basic salary exceeds ₹15,000 per month.
    • Employees who are members of the Employees’ Provident Fund (EPF) and meet the contribution requirements are eligible for the scheme.

     

    PYQ:

    [2021] With reference to casual workers employed in India, consider the following statements:

    1. All casual workers are entitled for Employees Provident Fund coverage.

    2. All casual workers are entitled for regular working hours and overtime payment.

    3. The government can by a notification specify that an establishment or industry shall pay wages only through its bank account.

    Which of the above statements are correct?

    (a) 1 and 2 only

    (b) 2 and 3 only

    (c) 1 and 3 only

    (d) 1, 2 and 3

  • Firefly Sparkle Galaxy

    Why in the News?

    James Webb Space Telescope (JWST) has identified a rare galaxy, Firefly Sparkle, offering a unique look into early galaxy formation.

    Firefly Sparkle Galaxy

    About Galaxy Firefly Sparkle:

    Details
    • Discovered by NASA’s James Webb Space Telescope (JWST), dating back to 600 million years after Big Bang.
      • It is one of the earliest low-mass galaxies discovered, providing rare insights into early galaxy formation.
    • It is named so because its star clusters shine brightly, resembling fireflies in JWST’s images.
    • It is part of a group of galaxies from the early universe, offering clues about how galaxies like the Milky Way may have formed.
    Features of the Galaxy
    • Mass equal to 10 million suns, making it a relatively low-mass galaxy.
    • Visible portion spans just 1,000 light-years, much smaller than the Milky Way’s 100,000 light-years.
    • Contains 10 distinct star clusters, each representing different stages of star formation.
      • Accompanied by 2 smaller galaxies, Firefly-Best Friend and Firefly-New Best Friend.
    • Elongated raindrop shape, indicating it is still forming.
    Observational Studies by JWST
    • Used gravitational lensing to magnify the galaxy’s light by 16-26 times, providing detailed observations.
    • JWST observed varied stages of star formation, with younger stars appearing blue and older stars red.
      • It is forming piece by piece, with each star cluster representing a phase of formation.
    • These observations help refine theories on galaxy formation and star cluster dynamics in the young universe.

     

    PYQ:

    [2022] Launched on 25th December, 2021, James Webb Space Telescope has been much in the news since then. What are its unique features which make it superior to its predecessor Space Telescopes? What are the key goals of this mission? What potential benefits does it hold for the human race?

    [2012] Which of the following is/are cited by the scientists as evidence/evidences for the continued expansion of universe?

    1. Detection of microwaves in space
    2. Observation of redshift phenomenon in space
    3. Movement of asteroids in space
    4. Occurrence of supernova explosions in space

    Select the correct answer using the codes given below:

    (a) 1 and 2
    (b) 2 only
    (c) 1, 3 and 4
    (d) None of the above can be cited as evidence

  • In news: Bharatmala Pariyojana

    Why in the News?

    • Bharatmala Pariyojana is a comprehensive road development project initiated by the Government of India to improve connectivity and reduce logistics costs across the country.
      • The total length covered under the scheme is 34,800 km, with an estimated cost of Rs. 5.35 lakh crore.

    About Bharatmala Pariyojana

    Details
    • Launched to improve road connectivity, enhance freight/passenger movement, and reduce logistics costs.
    • First-phase launched in 2017, covering 34,800 km of roads, with an estimated cost of Rs. 5.35 lakh crore.
      • Long-term goals to be completed in phases over several years.

    Key Components:

    • Economic Corridors & Efficiency: Focus on developing 26,000 km of roads and improving the Golden Quadrilateral and North-South/East-West Corridors.
    • Inter-State & Feeder Routes: 8,000 km of interstate corridors and 7,500 km feeder routes.
    • Border & International Roads: 2,000 km of roads for trade and security.
    • Coastal & Port Connectivity: 2,000 km of roads for better port connectivity.
    • Green-Field Expressways: New expressways to reduce congestion.
    Aims and Objectives
    • 50 national corridors to be constructed, reducing freight traffic congestion and facilitating movement on national highways.
    • 550 districts to be connected nationwide, up from the current 300 districts linked with national highways.
    • Logistic Performance Index (LPI) to be introduced, helping identify trade and logistics challenges and opportunities.
    • Expected to increase employment opportunities for people.
    Funding and Implementation
    • Central Road and Infrastructure Fund (CRF): Created under the Central Road Fund Act, 2000, this non-lapsable fund is used for building and upgrading national highways and other infrastructure, funded through cess on petrol and diesel.
    • Monetization of National Highways: The monetization of existing infrastructure assets is used as a source of funding.
    • Private Sector Investment: Bharatmala invites participation from the private sector for funding and execution of certain projects.
    • Additional Budgetary Support: Funds from additional budgetary allocations by the central government also support the project.

     

    Do you know?

    1. Sagarmala Programme approved in 2015, focuses on port infrastructure development along the 7,516-km coastline through modernisation, mechanisation, and computerisation.
    2. Parvatmala (National Ropeways Development Programme) announced in Union Budget 2022-23 to improve connectivity in hilly areas, under MORTH.
      • Implemented in PPP mode as an ecologically sustainable alternative to conventional roads in challenging terrains.
      • Initial regions: Uttarakhand, Himachal Pradesh, Manipur, Jammu & Kashmir, and North Eastern states.

     

    PYQ:

    [2017] With reference to ‘National Investment and Infrastructure Fund’, which of the following statements is/are correct?

    1. It is an organ of NITI Aayog.
    2. It has a corpus of Rs 4,00,000 crore at present.

    Select the correct answer using the code given below:

    (a) 1 only
    (b) 2 only
    (c) Both 1 and 2
    (d) Neither 1 nor 2

  • First Ice-Free day in the Arctic could come by 2030: Study

    Why in the News?

    A recent study suggests that the Arctic Ocean may experience its first ice-free day—where sea ice falls below one million square kilometres—by 2030, or even sooner.

    Key Highlights of the Study

    • First Ice-Free Day Prediction: The study predicts that the Arctic Ocean could experience its first ice-free day (less than one million square kilometres of sea ice) by 2030, or even sooner, depending on climatic conditions.
    • Simulations and Models:
      • 11 different climate models were used to run 366 simulations from 2023 to 2100 to assess the future of Arctic sea ice.
      • Most simulations predict the ice-free day within 7 to 20 years, with some models suggesting it could happen as early as September 2027.
    • Conditions for Ice-Free Day: The occurrence of an ice-free day will depend on a combination of unusually warm seasons and stormy weather, which accelerates the melting of the sea ice.
    • Impact on Sea Ice: Once the first ice-free day occurs, it could be followed by an ice-free period lasting between 11 to 53 days, potentially leading to the first ice-free month.

    How does the Arctic Tundra store Carbon?

    • The Arctic tundra stores carbon primarily through a process where plants absorb carbon dioxide (CO2) from the atmosphere via photosynthesis.
      • This carbon gets trapped in the soil and organic matter (plants and animals) that accumulate over time.
    • The cold Arctic climate slows the decomposition of plant and animal remains, meaning that organic materials, including carbon, remain locked in the permafrost.
      • This permafrost acts as a natural storage system, preventing CO2 from being released back into the atmosphere.
    • Scientists estimate that the Arctic tundra holds about 1.6 trillion metric tonnes of carbon, which is roughly double the amount of carbon in the Earth’s atmosphere.

    Why is the Arctic Tundra emitting more carbon than absorbing it?

    • Rising temperatures in the Arctic are causing the permafrost to thaw at an accelerated rate.
      • When permafrost thaws, microbes in the soil become active, breaking down the organic material trapped in the frozen ground, which results in the release of carbon dioxide (CO2) and methane (CH4), two potent greenhouse gases.
      • The Arctic has been warming at a rate four times faster than the global average.
      • 2024 was the second-warmest year on record for the region, contributing significantly to the thawing of the permafrost.
    • Wildfires in the Arctic have become more frequent and intense, further accelerating the thawing of permafrost. Wildfire smoke also contributes to the release of greenhouse gases.
    • Between 2001 and 2020, the combination of rising temperatures and increased wildfires led to the Arctic tundra releasing more carbon than it absorbed, marking a significant shift in its role from a carbon sink to a carbon emitter.

    Why does it matter?

    • Climate Change Acceleration: The loss of sea ice will amplify the Albedo effect, causing the Arctic region to absorb more sunlight and heat, which will accelerate global warming and trigger extreme weather events in mid-latitudes.
    • Rising Sea Levels: The loss of Arctic ice contributes to sea level rise, with potential long-term impacts on coastal populations and ecosystems, particularly if the Greenland ice sheet melts completely, which could raise sea levels by 6 meters.
    • Ecosystem and Species Impact: The melting of sea ice will threaten species that rely on the ice for habitat, such as polar bears, walruses, and reindeer, disrupting the Arctic food chain.
    • Human and Infrastructure Threats: Arctic communities and their infrastructure are at risk as the region warms at four times the global average, threatening the livelihoods of people living in these areas.

    Back2Basics: Albedo Effect

    arctic albedo

    • It refers to the measure of how much sunlight is reflected by a surface.
    • It is expressed as a percentage; a surface with a high albedo reflects more sunlight, while a surface with a low albedo absorbs more.
    • Light-colored surfaces like ice and snow have high albedo, reflecting most of the sunlight, whereas dark surfaces like oceans and forests have low albedo, absorbing more heat.

     

    PYQ:

    [2022] Discuss global warming and mention its effects on the global climate. Explain the control measures to bring down the level of greenhouse gases which cause global warming, in the light of the Kyoto Protocol, 1997.

    [2012] The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere because it absorbs:

    (a) the water vapour of the air and retains its heat
    (b) the ultraviolet part of the solar radiation
    (c) all the solar radiations
    (d) the infrared part of the solar radiation