March 2026
In short: India's wildlife, climate and conservation news this month — distilled for SI/Constable Prelims.
Current Affairs — India › Environment · 13 min read · Free to read · English & Telugu
Bilingual study notes for the Andhra Pradesh Police SI & Constable exams (SLPRB AP) by AP Police Hub, a product of Anvil Academy.
March 2026's environment round-up beyond the Science digest — a draft reform to speed up stalled Environmental Clearances, the International Solar Alliance's 10th Foundation Day, a new Small Hydro Power scheme for the hill states, the WMO's finding that Earth's energy imbalance hit a 65-year peak, the Supreme Court's formal closure of the landmark 1985 M.C. Mehta case, and a first-of-its-kind Ocean Thermal Energy Conversion plant coming up at Kavaratti.
March 2026 — At a Glance
Beyond the NDC-update and biodiversity-report stories already covered in this month's Science digest, March 2026 carried a genuinely separate stream of environment news — governance, energy and global-reporting stories with their own exam-relevant detail. The Environment Ministry proposed a draft reform to fix delays in Environmental Clearances, the International Solar Alliance marked its 10th Foundation Day, and a new Small Hydro Power scheme targeted the hill and North Eastern states. Globally, the WMO's State of the Global Climate 2025 report found Earth's energy imbalance at a 65-year peak, while the UN World Water Development Report 2026 flagged persistent gender gaps in water access. Closer to governance, the Supreme Court formally disposed of the landmark 1985 M.C. Mehta case, and India began building a first-of-its-kind Ocean Thermal Energy Conversion plant at Kavaratti, Lakshadweep.
1. Environmental Governance & Jurisprudence
Draft reform to Environmental Impact Assessment (EIA) Notification, 2006
- Why in the news — The Ministry of Environment, Forest and Climate Change (MoEFCC) published a draft notification under the Environment (Protection) Act, 1986 to amend the EIA Notification, 2006, aimed at reducing state-level delays in Environmental Clearances (ECs) — currently averaging 238 days, partly caused by delayed reconstitution of state review bodies (which have a 3-year tenure).
- Key proposals — A Standing Authority on EIA (SAEIA) would take over the State EIA Authority's (SEIAA) functions for up to 1 year if it is non-functional; a Standing Committee on EIA Appraisal (SCEIA) would similarly stand in for a non-functional State Expert Appraisal Committee (SEAC) — and if an SEAC misses its 120-day appraisal window, the proposal automatically escalates to the SCEIA via the Parivesh portal.
- About EIA — The EIA Notification, 2006, under the Environment Protection Act, 1986, is India's principal framework for evaluating a proposed project's environmental/social effects before approval — mandatory for projects above ₹50 crore. Category 'A' projects need Central clearance via the Expert Appraisal Committee; Category 'B' projects need state-level clearance via the SEIAA/SEAC (further split into B1 and B2, with B2 exempt from EIA).
- Landmark EIA-related judgments — Narmada Bachao Andolan v. UoI upheld EIA's role in balancing development and environmental protection; Vellore Citizens' Welfare Forum v. UoI recognised the polluter pays and precautionary principles as central to EIA; Centre for Environmental Law v. UoI (2018) stressed the importance of public consultation.
M.C. Mehta case (1985) — the Supreme Court formally closes a landmark environmental PIL
- What — The Supreme Court formally disposed of the landmark 1985 PIL filed by environmentalist M.C. Mehta. The case established the principle of Absolute Liability (holding hazardous industries liable regardless of fault) and applied the Doctrine of Public Trust to natural resources; it also led to lead-free petrol in India, coastal management plans, and the relocation of stone crushers out of Delhi.
Other landmark environmental cases| Case | Key fact |
|---|
| T.N. Godavarman Thirumulpad case (1995) | Expanded the definition of 'forest land' to include all areas recorded as forests in government records, regardless of ownership. |
| Vellore Citizens Welfare Forum case (1996) | Recognised the Precautionary Principle and the Polluter Pays Principle as essential features of Indian environmental law. |
| S.P. Muthuraman case (2025) | The Supreme Court declared post-facto (retrospective) environmental clearances illegal. |
2. Renewable Energy & Climate Science
International Solar Alliance (ISA) — 10th Foundation Day
- What — On 11 March 2026, the International Solar Alliance celebrated its 10th Foundation Day — envisioned by India's Prime Minister as an 'alternative OPEC', a platform for equitable solar-energy production and distribution that breaks the monopoly of fossil-fuel-rich nations.
- Significance — Supports SDG 7 (clean energy) and SDG 13 (climate action); serves as a South-South cooperation platform for developing, energy-deficient nations; aggregates global demand to cut solar-finance and technology costs for Least Developed Countries (LDCs) and Small Island Developing States (SIDS).
- Challenges — Funding constraints and difficulty unlocking private capital; high tariffs on solar PV cells/modules hindering deployment in African/Pacific nations; the 'Solar Constancy Problem' (no sunlight at night) needing costly storage; many developing members lack domestic solar-manufacturing capacity.
Small Hydro Power (SHP) Development Scheme approved
- What — A new scheme, running FY 2026-27 to FY 2030-31 with an outlay of ₹2,584.60 crore, targets ~1,500 MW of Small Hydro Power capacity — bringing ₹15,000 crore of investment and supporting 51 lakh person-days of employment, especially benefiting hilly and North Eastern states.
- Financial assistance & about SHP — North East/border areas get ₹3.6 crore/MW or 30% of project cost (whichever is lower, capped at ₹30 crore/project); other states get ₹2.4 crore/MW or 20% (capped at ₹20 crore/project). Small Hydro covers plants of 25 MW or below — classified as Micro (up to 100 kW), Mini (101 kW-2 MW) and Small (2-25 MW); India's estimated potential is 21,133 MW across 7,133 sites (IIT Roorkee), nearly half in Arunachal Pradesh, Himachal Pradesh, J&K and Uttarakhand.
Earth's Energy Imbalance reaches a 65-year peak: WMO
- What — The World Meteorological Organization (WMO) released its 'State of the Global Climate 2025' report on World Meteorological Day (23 March), themed 'Observing Today, Protecting Tomorrow' — for the first time including Earth's Energy Imbalance (EEI) as a key climate indicator, finding it at a 65-year peak.
- About EEI — Earth's Energy Imbalance is the difference between incoming solar radiation (minus reflected) and outgoing long-wave radiation — a positive EEI means Earth is gaining energy and heating. It rises due to rising greenhouse-gas concentrations, reduced aerosol emissions, increased trace gases/water vapour, and decreased reflection by clouds/sea ice.
- Other key findings — 2025 was the 2nd or 3rd warmest year on record (~1.43°C above the 1850-1900 average); 2015-2025 are the hottest 11 years on record; atmospheric CO₂ concentration hit its highest level in 2 million years in 2024; ocean heat content reached a new record high in 2025.
Other renewable-energy & climate-governance notes — March 2026| Item | Key fact |
|---|
| Ocean Thermal Energy Conversion (OTEC), Kavaratti | A first-of-its-kind integrated plant using the temperature gradient between warm surface and cold deep-sea water to generate electricity (needs ~20°C difference, viable in tropical oceans 30°N-30°S); provides round-the-clock power and desalination for islands — distinct from the LTTD desalination plant already operating at Kavaratti. |
| National Highways Green Cover Index (GCI) | NHAI, with ISRO's National Remote Sensing Centre, released the inaugural NH-GCI for 2025-26, covering ~30,000 km of National Highways across 24 states (July-December 2024), using satellite chlorophyll detection to track year-on-year green cover. |
| National Productivity Council as Environment Audit Designated Agency (EADA) | NPC (est. 1958, under DPIIT) signed an agreement with MoEFCC to manage the environmental-audit framework under the Environment Audit Rules, 2025 — auditor eligibility, registration and performance monitoring. |
| Bureau of Energy Efficiency (BEE) — 25th Foundation Day | BEE, the statutory body under the Ministry of Power that drives India's energy-efficiency standards and labelling (e.g. Star Labelling Programme), commemorated its 25th Foundation Day this month. |
3. Global Reports — Water & Development
UN World Water Development Report 2026
- What — Published by UN-Water, based on the World Water Day 2026 theme 'Water and Gender'. Key findings: 2.1 billion people still lack access to safely managed drinking water globally; women and girls remain the primary water collectors, spending over 250 million hours daily — time that limits their access to education and income.