Fewer polluted river stretches but worst stretches unchanged Subject :Environment Context: The number of polluted stretches in India’s rivers has fallen from 351 in 2018 to 311 in 2022 though the number of most polluted stretches is practically unchanged, according to a report from the Central Pollution Control Board (CPCB). Identification of Polluted […]
‘Floating’ solar farms on Delhi’s water bodies, the first one at Bawana lake Subject :Environment Context: After rooftop panels, the Delhi government has come up with a new proposal to generate electricity through solar energy by installing ‘floating solar farms’ in lakes, water bodies and ponds across the city. About the project: The […]
A 225-km yatra to save the endangered sacred groves of Rajasthan Subject: Environment Context: A unique 225-km-long yatra taken out through remote villages and hamlets in western Rajasthan, a powerful voice to the demand for protection of orans or sacred groves facing the threat of destruction with their land being allotted for renewable […]
Good while it lasted – III: Why this is a mass extinction Subject: Environment Context: Of the 4 billion species that have evolved over the last 3.5 billion years, some 99 per cent have disappeared in a series of extinctions Mass extinction: The Earth has experienced five mass extinctions so far; one every […]
Polar bears in key Canada region dying: Causes, effects Subject :Environment Context: Polar bears in Canada’s Western Hudson Bay, an inland sea connected to the Arctic Ocean, are dying at a fast rate, according to a new government survey. It also revealed that females and younger polar bears are the worst affected. Details […]
Why Antarctica’s emperor penguins could be extinct by 2100 Subject: Environment Context: Greater conservation efforts are needed to protect Antarctic ecosystems, and the populations of up to 97 per cent of land-based Antarctic species could decline by 2100 if we don’t change tack, our new research has found. Threats to Antarctic biodiversity: Antarctica’s […]
2022 too short, too far: A sixth mass extinction is unfolding Subject :Environment Mass extinction- Mass extinction refers to a substantial increase in the degree of extinction or when the Earth loses more than three-quarters of its species in a geologically short period of time. So far, during the entire history of the […]
Scientists freeze Great Barrier Reef coral in a world-first trial Subject: Environment Context: Scientists working on Australia’s Great Barrier Reef have successfully trialled a new method for freezing and storing coral larvae they say could eventually help rewild reefs threatened by climate change. Cryomesh: Cryomesh is a specially fabricated mesh used as a […]