Daily News Analysis

Sovereign Green Bonds and Greenium

India’s sovereign green bond market is gaining momentum as strong investor demand has pushed these bonds to trade at a persistent greenium compared with conventional government securities. The average greenium in the first half of FY2026–27 reached its highest level since India began issuing sovereign green bonds in FY2022–23, indicating growing investor acceptance of green f

01 Sep,2026 GS-3 Environmental Pollution & Degradation

Sustainable Development Report (SDR) 2026

The Sustainable Development Report (SDR) 2026 is the 11th edition of the annual global assessment of progress towards the 2030 Agenda for Sustainable Development and its 17 Sustainable Development Goals (SDGs). It is published by the United Nations Sustainable Development Solutions Network (SDSN) and assesses 167 countries using internationally comparable indicators covering all 17 SDGs. T

17 Aug,2026 GS-3 Environmental Pollution & Degradation

Environmental Performance Index (EPI) 2026

Latest News India ranked 176th out of 177 countries in the Environmental Performance Index (EPI) 2026, with a score of 22.46, making it the second-lowest ranked country globally (above Laos) and 7th among the 8 South Asian countries. Estonia secured the 1st rank with a score of 74.79. About the Environmental Performance Index (EPI) The Environmental Performance Index (EPI) is a bienni

07 Aug,2026 GS-3 Environmental Pollution & Degradation

Biochar

Latest News Recent studies have shown that Biochar can increase crop productivity by 10–30% and improve the water-holding capacity of soils by 10–25%, particularly in nutrient-deficient and semi-arid soils. About Biochar Biochar is a carbon-rich, granular material produced by heating agricultural biomass or crop residues at 400°C–600°C in a low-oxygen (pyroly

31 Jul,2026 GS-3 Environmental Pollution & Degradation

Non-Methane Hydrocarbons (NMHCs)

Latest News Researchers from the Aryabhatta Research Institute of Observational Sciences (ARIES) conducted a year-long (2022–2023) study measuring Non-Methane Hydrocarbons (NMHCs) at Munsyari (Uttarakhand) to understand their role in air quality, ozone formation, and climate change. About Non-Methane Hydrocarbons (NMHCs) Non-Methane Hydrocarbons (NMHCs) are a group of vola

29 Jul,2026 GS-3 Environmental Pollution & Degradation

Unified National Energy Policy Framework (UNEPF)

Latest Context The Indian National Science Academy (INSA), through its Centre for Science, Technology, Innovation and Policy (CSTIP), released a Policy Brief (May 2026) recommending a Unified National Energy Policy Framework (UNEPF). The proposed framework seeks to integrate India's fragmented energy policies and accelerate the country's transition towards Energy Self-Reliance by 20

20 Jul,2026 GS-3 Environmental Pollution & Degradation

Pyroprocessing

Pyroprocessing is gaining increasing global attention because of its wide-ranging applications in the cement industry, metallurgy, and nuclear power sector. About Pyroprocessing Pyroprocessing is a high-temperature industrial process in which a solid material undergoes physical or chemical transformation through the application of heat. The term is derived from the Greek

10 Jul,2026 GS-3 Environmental Pollution & Degradation

Climate Finance

India's commitment to addressing climate change represents one of the most significant development and investment challenges of the twenty-first century. The country has undertaken ambitious climate commitments through its Nationally Determined Contributions (NDCs) under the Paris Agreement and has pledged to achieve net-zero emissions by 2070. However, realizing these goals requires enorm

29 Jun,2026 GS-3 Environmental Pollution & Degradation

Tariffs to Carbon

The introduction of the European Union’s Carbon Border Adjustment Mechanism (CBAM) marks a significant transformation in the nature of global trade. Proposed in 2021 and set for implementation from 2026, CBAM represents a shift from a trade system primarily governed by tariffs to one increasingly influenced by carbon efficiency and environmental sustainability. While the mechanism seeks

24 Jun,2026 GS-3 Environmental Pollution & Degradation

Replacement of Old Trucks & Buses in Delhi-NCR

Recently, the Union Cabinet approved a ₹9,585-crore Scheme for Support to the National Capital Region Planning Board (NCRPB) for Replacement of Old Trucks and Buses in Delhi-NCR. The two-year initiative aims to reduce air pollution in the Delhi–National Capital Region (NCR) by replacing older, highly polluting commercial vehicles with cleaner Bharat Stage-VI (BS-VI) compliant vehicles

15 Jun,2026 GS-3 Environmental Pollution & Degradation

International Big Cat Alliance (IBCA)

Recently, the Union Minister for Environment, Forest and Climate Change launched the website and logo for the 1st International Big Cat Alliance (IBCA) Summit 2026, which will be hosted by India in New Delhi. What is the International Big Cat Alliance (IBCA)? The International Big Cat Alliance (IBCA) is an inter-governmental international organization launched by India in April 2023 during t

08 Jun,2026 GS-3 Environmental Pollution & Degradation

METHANE

08 Jun,2026 GS-3 Environmental Pollution & Degradation

LEAD

15 May,2026 GS-3 Environmental Pollution & Degradation

Tar Balls

Recently, the Ministry of Environment, Forest and Climate Change released draft rules for the management of tar balls in order to protect India’s coastline and marine ecosystems from the harmful effects of oil pollution. The increasing occurrence of tar balls along coastal regions has emerged as a serious environmental concern because they negatively affect marine biodiversity, coastal habit

13 May,2026 GS-3 Environmental Pollution & Degradation

Methane

Recent satellite data analysed by Carbon Mapper revealed that 15 of the world’s top 25 methane emission sites in 2025 from the oil and gas sector are located in Turkmenistan. This highlights the global significance of methane emissions and the urgent need to address them in climate action strategies. About Methane Methane (CH₄) is a potent greenhouse gas responsible for rou

25 Apr,2026 GS-3 Environmental Pollution & Degradation

Rat-Hole Mining

A major disaster unfolded in East Jaintia Hills, Meghalaya, when at least 18 workers died following an explosion in an illegally operating rat-hole coal mine. This incident highlights the continued prevalence of rat-hole mining despite bans imposed by the National Green Tribunal (NGT) and the Supreme Court of India. Rat-hole mining is driven by thin coal seams, livelihood dependence, and we

18 Mar,2026 GS-3 Environmental Pollution & Degradation

Forever Chemicals (PFAS)

Recent scientific studies of human blood samples collected between 2003 and 2021 have revealed that the levels of older PFAS, commonly known as “forever chemicals,” dropped by 86%. This reduction occurred because manufacturers stopped producing certain older PFAS compounds. What Are Forever Chemicals? Forever chemicals, scientifically referred to as PFAS (per- and polyfluoroalky

17 Mar,2026 GS-3 Environmental Pollution & Degradation

Aerosols

A recent study has highlighted that water vapour contributes more to atmospheric heating than aerosols. However, aerosols continue to play a complex and significant role in influencing climate, air quality, and human health. About Aerosols Aerosols are fine solid or liquid particles suspended in the atmosphere. They typically remain in the atmosphere for a few days to weeks before settli

11 Feb,2026 GS-3 Environmental Pollution & Degradation

Delhi’s Measures to Control Vehicular Pollution

Amid deteriorating air quality, the Delhi government has tightened vehicular pollution controls to curb emissions from road transport. As part of these measures, private vehicles registered outside Delhi that do not comply with Bharat Stage (BS) VI emission norms have been barred from entering the Capital. In addition, vehicles without a valid Pollution Under Control Certificate (PUCC) are als

06 Feb,2026 GS-3 Environmental Pollution & Degradation

Delhi’s Air Pollution

Delhi’s toxic air has escalated into a full-blown public health emergency, driven by high local emissions and wintertime meteorological conditions that trap pollutants. The city has recorded its worst air quality levels in years, severely affecting public health across the National Capital Region. Current Air Quality Index (AQI) Situation Delhi’s Air Quality Index (AQI) has remai

03 Feb,2026 GS-3 Environmental Pollution & Degradation

Methane Emissions

Methane is a crucial fuel widely used for domestic and industrial purposes. However, when released in an uncontrolled manner—especially from landfills—it becomes a serious environmental hazard. Recent satellite-based evidence indicates that methane emissions from Indian landfills are significantly higher than official estimates, posing challenges to India’s climate commitment

28 Jan,2026 GS-3 Environmental Pollution & Degradation

Carbon-Based Filter

A recent field-based study has showcased an innovative approach to combat PFAS (Per- and Polyfluoroalkyl Substances) contamination in groundwater. The study demonstrates that a specially engineered carbon material can be injected underground to trap and remove PFAS, offering a cost-effective and long-term remediation solution for polluted sites. This development could revolutionize the way we addr

22 Jan,2026 GS-3 Environmental Pollution & Degradation

Fluoride

Recently, a non-governmental organization (NGO) reported that excess fluoride in drinking water in several villages of Mayurbhanj district, Odisha, has resulted in widespread fluorosis among the local population. This incident highlights a serious public health concern arising from groundwater contamination. About Fluoride Fluoride is an inorganic, monatomic anion of fluorine with the ch

25 Dec,2025 GS-3 Environmental Pollution & Degradation

National Environmental Engineering Research Institute (NEERI)

The National Environmental Engineering Research Institute (NEERI) is a prominent research institution in India, focusing on environmental science and engineering. It conducts research and develops innovative solutions for environmental management and pollution control. Key Details about NEERI: Establishment: NEERI was founded in 1958 in Nagpur as the Central Public Health Engineeri

03 Nov,2025 GS-3 Environmental Pollution & Degradation

Production Gap Report 2025

The Production Gap Report 2025 reveals a troubling trend: many countries are planning to increase fossil fuel production well beyond the levels needed to limit global warming to 1.5°C as per the Paris Agreement. Despite commitments to climate goals, fossil fuel production is on track to significantly outpace what is necessary to prevent catastrophic climate change. About the Production

25 Oct,2025 GS-3 Environmental Pollution & Degradation

Commission for Air Quality Management in National Capital Region and Adjoining Areas (CAQM)

As the paddy harvest season begins in northern India, the Commission for Air Quality Management (CAQM) has ramped up its efforts to curb stubble burning. This agricultural practice is one of the key contributors to winter air pollution in the National Capital Region (NCR), particularly affecting Delhi and its surrounding areas. About the Commission for Air Quality Management (CAQM) The C

23 Oct,2025 GS-3 Environmental Pollution & Degradation

Incineration Process:

Incineration Process: The plan to incinerate 337 tonnes of chemical waste from the Bhopal gas tragedy in Pithampur has sparked mixed reactions regarding the process of incineration. This treatment method, though effective in certain contexts, comes with significant challenges and environmental concerns. What is Incineration? Incineration is a waste treatment process that involves the cont

07 Jan,2025 GS-3 Environmental Pollution & Degradation

State of E-Waste in India

E-waste in India is a rapidly growing problem, exacerbated by the increasing usage of electronic and electrical devices across the country. The volume of e-waste generation has surged in recent years, and the management of this waste remains a significant challenge. Here's an overview of the state of e-waste in India: Volume Growth E-waste Generation: India’s e-waste gene

02 Jan,2025 GS-3 Environmental Pollution & Degradation

Lead Pollution in India:

Lead Pollution in India: Context: A recent UNICEF report highlighted the alarming fact that India is home to nearly 50% of the global child population affected by lead pollution. Of the 800 million children globally exposed to lead, approximately 275 million are in India. This severe public health issue requires urgent attention and stronger action to mitigate its impact. What is Lead?

01 Jan,2025 GS-3 Environmental Pollution & Degradation

Earth’s Desertification Emergency:

Earth’s Desertification Emergency: In News The 16th session of the UNCCD Conference of Parties (COP16) is being held from December 2-13, 2024, marking the 30th anniversary of the UN Convention to Combat Desertification (UNCCD). The theme of COP16 is “Our Land and Our Future”, focusing on the urgent need to address land degradation, desertification, and the broader impacts

05 Dec,2024 GS-3 Environmental Pollution & Degradation

Aquatic Deoxygenation

Experts are advocating for the recognition of Aquatic Deoxygenation (AD) as a new planetary boundary, highlighting the critical decline in oxygen content in oceanic and coastal waters. Understanding Aquatic Deoxygenation (AD) Definition: AD refers to the overall decline in the oxygen content of water bodies, occurring when oxygen consumption exceeds oxygen replenishment. Current Stat

09 Aug,2024 GS-3 Environmental Pollution & Degradation

World Bank Report: “The Impact of Climate Change on Education”

The World Bank's report highlights the profound effects of climate change on education, emphasizing how extreme weather events disrupt schooling, lead to learning losses, and increase dropout rates. Key Findings Neglect of Education in Climate Policy: Education has received minimal attention in climate policies. In 2020, it constituted less than 1.3% of climate assistance and was re

07 Aug,2024 GS-3 Environmental Pollution & Degradation

State Action Plan

The Delhi government’s overhaul of the State Action Plan on Climate Change (SAPCC) highlights the urgency of addressing climate-related challenges, especially given the recent extreme weather events. Overview of SAPCC Purpose: SAPCCs are designed to tackle state-specific climate change issues through targeted adaptation and mitigation measures. Context: Each SAPCC considers uniqu

03 Aug,2024 GS-3 Environmental Pollution & Degradation

National Green Hydrogen Mission (NGHM)

Why in the News? The Ministry of New and Renewable Energy (MNRE) has unveiled Scheme Guidelines to enhance testing facilities, infrastructure, and regulatory frameworks under the National Green Hydrogen Mission. This initiative is part of India's strategy to boost the green hydrogen sector. Key Features of the Guidelines: Budgetary Outlay: Total Allocation: ₹200 Crore allocate

28 Jul,2024 GS-3 Environmental Pollution & Degradation

Bioplastics from Cassava

The production of compostable bioplastic bags from cassava by smallholder farmers in Nagaland represents a promising development in sustainable materials. Process of Bioplastic Production Starch Extraction: Source: Cassava roots, which are rich in starch, are used for this purpose. Method: The cassava roots are cleaned and then crushed to create a pulp. This pulp is processed to extr

19 Jul,2024 GS-3 Environmental Pollution & Degradation

Air Pollution's Impact on Pollinators

Overview of the Study: A study conducted by researchers from the University of Reading highlights the detrimental effects of air pollution on pollinators such as bees, moths, and butterflies. The key findings are: Foraging Efficiency Decline: Pollinators experienced a 39% reduction in foraging efficiency when exposed to elevated levels of air pollution. Pests' Relative Insensitivit

18 Jul,2024 GS-3 Environmental Pollution & Degradation

A recent study has claimed that BioTRIG, a new waste management technology could help rural Indians.

About BioTRIG: It is a new waste management technology based on the pyrolysis system. It works by sealing the waste inside an oxygen-free chamber and heating it above 400 degrees Celsius. Useful chemicals are produced in the process. In the study, the researchers outlined that three products of pyrolysis — bio-oil, syngas and biochar fertilizer — could help rural Indians live

06 Mar,2024 GS-3 Environmental Pollution & Degradation

The National Mission for Clean Ganga

Context: The National Mission for Clean Ganga (NMCG), has assumed new powers under which it may now permit the discharge of treated sewage and effluent that conforms to the prescribed “norms” into the river, canal or water bodies. News: The National Mission for Clean Ganga (NMCG), under the Ministry of Jal Shakti, issued a notification to amend the River Ganga (Rejuvenation,

03 Feb,2024 GS-3 Environmental Pollution & Degradation

Bharat stage emission standards

Context: The Supreme Court Thursday asked the Centre to formulate a policy to phase out heavy-duty diesel vehicles and to replace them with BSVI vehicles. News: The Supreme Court directed the Centre to formulate a policy within six months regarding the use of the Inland Container Depot (ICD) at Tughlaqabad, Delhi, to address air pollution concerns. The order followed a plea by the Conta

02 Feb,2024 GS-3 Environmental Pollution & Degradation

GolDN

IIT Bombay has developed an instrument, GolDN (pronounced as Golden) for melt-mixing of waste thermoplastic polymers and inorganic particulate fillers to manufacture polymer composites. GolDN is a single screw extruder that mechanically recycles waste plastic polymers through melt-mixing. The instrument can manufacture composites from thermoplastic waste that can be molded

14 Jan,2024 GS-3 Environmental Pollution & Degradation

Ennore ammonia gas leak | NGT takes suo motu cognisance

Context: Based on media reports of several people from Periakuppam, Ernavur, Burma Nagar experiencing breathlessness and eye and skin irritation after leakage of ammonia from gas pipelines of the unit, the NGT on December 27 issued directions to the Tamil Nadu Pollution Control Board (TNPCB) to file a report on the incident. News: A gas leakage occurred in the subsea pipeline of Cor

06 Jan,2024 GS-3 Environmental Pollution & Degradation

Green Credit

Green Credit It is a special programme that allows an individual or entity to earn Green Credit and trade it on a dedicated exchange. Green Credit refers to a unit of an incentive provided for specified activities that deliver a positive impact on the environment. It is launched at the national level to leverage a competitive market-based approach for incentiv

16 Oct,2023 GS-3 Environmental Pollution & Degradation

Large ozone hole detected over Antarctica

Why in the News? Recent satellite measurements by European Space Agency Copernicus Sentinel-5P satellite as part of the EU’s environmental monitoring program over Antarctica have detected a giant hole in the ozone layer. The hole i.e., the “ozone-depleted area” was 26 million square kilometers (10 million square miles) in size, roughly three times the size of Brazil.

13 Oct,2023 GS-3 Environmental Pollution & Degradation

P20 Summit

P20 Summit The 9th G20 Parliamentary Speakers' Summit (P20) will be inaugurated by India and will be hosted by the Parliament of India under the broader framework of India's G20 presidency. It will have 4 main sessions: Agenda 2030 for Sustainable Development Goals (SDGs): Showcasing Achievements, Accelerating Progress Sustainable Energy Transit

13 Oct,2023 GS-3 Environmental Pollution & Degradation

National Action Plan for Green Shipping

National Action Plan for Green Shipping Why in the News? At the INMEX SMM India 2023 maritime industry exhibition, the potential benefits of National Action Plan for Green Shipping were projected by the Director General of Shipping Shyam Jagannathan. The initiative shall help in promoting eco-friendly practices and incentives for low-emission ships. It shall also help position I

05 Oct,2023 GS-3 Environmental Pollution & Degradation

How wastewater can help tackle water shortages

How wastewater can help tackle water shortages Why in the News? Water shortages are causing tensions in Europe as it is experiencing severe heat and drought due to lack of rainfall in 2023. In Spain, water reserves have dropped to 41% leading to severe crop losses and water restrictions in place in some regions. Human-induced climate change has led to in

27 Aug,2023 GS-3 Environmental Pollution & Degradation

India’s hidden adversary, Lead poisoning

India’s hidden adversary, Lead poisoning Lead poisoning: More than half of the children in India (close to 20 crore) have lead levels in their blood >5 micrograms per decilitre (µg/dL) as per 2021 study. WHO: Any level >5 µg/dL is “a trigger for a thorough review of the ways in which a person is being exposed to lead and

26 Aug,2023 GS-3 Environmental Pollution & Degradation

Hydrogen for Heritage Scheme

Hydrogen for Heritage Scheme The scheme aims to revolutionise the railway industry by incorporating hydrogen fuel cells as an alternative to diesel engines. The Indian Railways has planned to operate 35 Hydrogen-powered trains to run across 8 heritage routes that are environmentally sensitive hilly regions with a potential for tourism. The project thus promotes clean energy sources with

11 Aug,2023 GS-3 Environmental Pollution & Degradation

Textile Wastewater Treatment Plant

New, inexpensive method that significantly decreases textile effluent pollution has been developed by NIT Warangal. In an effort to treat wastewater in the textile and apparel industry located in the Hanumakonda area of Telangana in an environmentally responsible manner, NIT Warangal, Prime Textiles, and IMPRINT have created a pilot-scale textile effluent treatment faci

01 Jul,2023 GS-3 Environmental Pollution & Degradation

lead poisoning

The enormous environmental damage, human exposure, and serious public health issues brought on by the widespread use of lead have affected many regions of the world. Regarding Lead Poisoning: Lead poisoning, also known as chronic intoxication, is brought on by the body absorbing lead, and symptoms include weakness or paralysis of the muscles, as well as weariness, nausea, diarrhoea,

21 Feb,2023 GS-3 Environmental Pollution & Degradation

Chapter 6: Water Governance

Introduction Gujarat has historically been a state with limited water resources. Its evolution from a water-scarce to a water-secure condition is a tale in and of itself. The Transformation: Because of numerous droughts in Gujarat's western and northern districts, a significant number of people have migrated there. Every development project in those areas is centred on water manageme

30 Oct,2022 GS-3 Environmental Pollution & Degradation

Chapter 8: Our Water Heroes

Introduction • We have a long tradition of conserving water. • A prime example of that is the Ahar-Pyre system. • Indians' role in water conservation during British rule is examined in three groups. • These are "Water Services," "Water Structures," and "Jal Satyagraha.&quo