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Prelims
Preliminary Examination — Paper I (General Studies)

Environment, Biodiversity & Climate Change

General issues on Environmental ecology, Bio-diversity and Climate Change - that do not require subject specialization.

UPSC questions on Environment, Biodiversity & Climate Change — previous year & Mains practice →

Articles for this syllabus topic(31)

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Environment
GS3
08/11/2025

Reinstatement of Rhesus Macaque Under Wildlife Protection Act: Balancing Conservation and Conflict Management in India

Why in News

The Standing Committee of the National Board for Wildlife has recommended reinstating the Rhesus Macaque under Schedule II of the Wildlife Protection Act, 1972, to restore legal safeguards against cruelty, exploitation, and illegal trade, following requests from animal welfare organizations and deliberations on managing growing human-monkey conflicts across several states.

Rhesus Macaque ProtectionWildlife Act Schedule IIHuman-Wildlife Conflict+1
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Defence & Armed Forces
GS3
08/11/2025

Wildlife Board Approves 12 Strategic Defence Projects in Ladakh to Enhance Border Security Amid PLA Assertiveness

Why in News

The Standing Committee of the National Board for Wildlife has recommended approval for 12 key defence projects in Ladakh's protected wildlife sanctuaries, citing the need for high operational preparedness due to increasing assertiveness by China's People's Liberation Army along the Line of Actual Control, following lessons from the 2020 border conflicts.

Wildlife Board ClearancesDefence Infrastructure in LadakhChangthang Sanctuary Projects+2
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Environment
GS3
28/10/2025

Himachal Floods' Floating Logs: Nature's Uproot, Not Illegal Cut, State Assures Supreme Court

Why in News

The Himachal Pradesh government filed an affidavit with the Supreme Court on October 27, 2025, clarifying that logs seen floating in viral flood videos from Ravi and Beas rivers were uprooted trees from cloudbursts and landslides, not illegal felling. This addresses the court's September suo motu notice after August floods killed 320 people, amid rising fears of deforestation in the sensitive Himalayan belt, where climate change is making such events deadlier and more frequent.

Himachal Pradesh floodsillegal logging allegationsSupreme Court affidavit+4
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Environment
GS3
10/10/2025

Supreme Court Halts Haryana's Ambitious Aravalli Jungle Safari: Weighing Eco-Tourism Benefits Against Environmental Risks

Why in News

On October 9, 2025, the Supreme Court of India issued an order pausing all work on Haryana's proposed jungle safari park in the Aravalli hills, following a petition highlighting potential ecological harm. This decision comes amid growing debates on balancing development projects like eco-tourism with the protection of fragile ecosystems, especially in the Aravallis, which serve as a vital green barrier for northern India.

Aravalli Hills ConservationHaryana Jungle Safari ProposalSupreme Court Intervention+2
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Environment
GS3
14/09/2025

MoEFCC Exempts Public Consultation for Critical and Atomic Minerals Mining Citing National Defence and Security Needs

Why in News

The Ministry of Environment, Forest and Climate Change (MoEFCC) has issued an office memorandum exempting mining projects for atomic, critical, and strategic minerals from mandatory public consultations under the Environment Impact Assessment (EIA) Notification, 2006. This step, reported by The Indian Express on September 11, 2025, responds to requests from the Ministry of Defence and the Department of Atomic Energy (DAE), aiming to expedite clearances for minerals vital to national security, defence equipment, and atomic energy programs amid India's heavy import dependence. The move aligns with recent policy shifts to boost domestic production but has raised questions about environmental transparency and community involvement.

Critical Minerals MiningAtomic Minerals ExemptionPublic Consultation Waiver+4
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Environment
GS3
11/09/2025

Sariska Tiger Reserve Boundary Rationalization: MoEFCC to Invite Public Objections for Reconsidering Plan Amid Mining Revival Risks

Why in News

The Union Ministry of Environment, Forest and Climate Change (MoEFCC) has decided to invite public objections and reconsider the proposed boundary alteration plan for Sariska Tiger Reserve in Rajasthan, following Supreme Court criticism of the expedited approval process. This development, reported in The Indian Express on September 11, 2025, stems from concerns that the changes could allow over 50 closed mining sites to reopen near the reserve, potentially harming wildlife habitats and the Aravalli ecosystem. The court's August 6, 2025, hearing highlighted procedural flaws, prompting the ministry to issue a draft notification for transparency and compliance with legal requirements.

Sariska Tiger ReserveBoundary RationalizationCritical Tiger Habitat+4
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Environment
GS3
20/08/2025

Sundarbans to Become India’s Second-Largest Tiger Reserve

Why in News

The Union government has approved the expansion of the Sundarbans Tiger Reserve in West Bengal by 1,044 sq km, making it the second-largest tiger reserve in India after the Nagarjunasagar-Srisailam Tiger Reserve.

Sundarbans Tiger ReserveWildlife ConservationNagarjunasagar-Srisailam Tiger Reserve

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