Environment — current affairs

The day’s current affairs covered in full — the terms, names and facts UPSC actually asks about, in six languages.

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Raccoon Roundworm

Raccoon Roundworm

Why in news? Scientists have reported the spread of raccoon roundworm across multiple European countries. The parasite, originally from North America,...

Udanti‑Sitanadi Tiger Reserve

Udanti‑Sitanadi Tiger Reserve

Why in news? Conservationists reported in December 2025 that the Udanti‑Sitanadi Tiger Reserve in Chhattisgarh has become a haven for species usua...

Tundra Ecosystem

Tundra Ecosystem

Why in news? The tundra ecosystem has garnered attention due to new reports highlighting how climate change is warming Arctic regions, thawing permafr...

Erivan Anomalous Blue and the Biodiversity COP17 Logo

Erivan Anomalous Blue and the Biodiversity COP17 Logo

Why in news? Armenia has unveiled the emblem for the 17th Conference of the Parties (COP17) to the Convention on Biological Diversity (CBD), scheduled...

Doppler Weather Radar and India’s Expanding Network

Doppler Weather Radar and India’s Expanding Network

Why in news? On 27 November 2025 the Minister of Earth Sciences inaugurated two dual‑polarised C‑band Doppler Weather Radars in Raipur and Mangalu...

Bura‑Chapori Wildlife Sanctuary

Bura‑Chapori Wildlife Sanctuary

Why in news? The Bura‑Chapori Wildlife Sanctuary in Assam is often discussed in current‑affairs circles because of its ecological significance and...

Freshwater Sponges as Bioindicators of Metal Pollution

Freshwater Sponges as Bioindicators of Metal Pollution

Why in News? Scientists from the Bose Institute recently reported that freshwater sponges collected from the Sundarban delta accumulate high levels of...

Kheoni Wildlife Sanctuary and the Endangered Dhole

Kheoni Wildlife Sanctuary and the Endangered Dhole

Why in News? Ecologists have recently drawn attention to the Kheoni Wildlife Sanctuary in Madhya Pradesh after reports of the Indian wild dog (dhole) ...

White Spot Disease in Crustaceans

White Spot Disease in Crustaceans

Why in News? In December 2025 the Minister of Fisheries, Animal Husbandry and Dairying informed the Rajya Sabha about outbreaks of white spot disease ...

Carbon‑based Filter for PFAS Removal from Groundwater

Carbon‑based Filter for PFAS Removal from Groundwater

Why in news? A team of researchers has demonstrated that injecting a colloidal carbon mixture into polluted aquifers can dramatically lower the levels...

Animal Husbandry Infrastructure Development Fund (AHIDF)

Animal Husbandry Infrastructure Development Fund (AHIDF)

Why in news? The Animal Husbandry Infrastructure Development Fund (AHIDF), launched to boost investment in dairy and meat processing, has been highlig...

Channa bhoi – A New Snakehead Species from Meghalaya

Channa bhoi – A New Snakehead Species from Meghalaya

Why in news? Ichthyologists have described a new species of snakehead fish named Channa bhoi from a small stream in Ri‑Bhoi district of Meghalaya. T...

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