UPSC Environment current affairs: climate change, biodiversity, pollution, national parks, and international environmental agreements.
Part of: UPSC Current Affairs 2026 Hub
On June 11, 2026, NOAA confirmed the formation of a potentially historic <span class="key-term" data-definition="El Niño — a natural climate phenomenon where unusually warm sea‑surface temperatures develop in the central and eastern Pacific Ocean, influencing global weather patterns (GS4: Environment)">El Niño</span> that could rival the 1997 event. Experts warn it will intensify global heat, trigger extreme weather across continents, and pose challenges for agriculture, disaster management, and economic growth—key concerns for UPSC aspirants.