Smog-ridden New Delhi extends schools shutdown

Authorities in India's smog-ridden capital New Delhi on Sunday extended an emergency schools closure by a week, with no signs of improvement in the megacity's choking levels of pollution.

Jumbo problem: Sri Lanka's battle with plastic pollution

Heart-wrenching images of revered elephants and cattle eating plastic in Sri Lanka have prompted politicians to toughen pollution laws, but skeptical conservationists warn past bans were repeatedly ignored.

The researchers tackling the world's climate-driven water crisis

A safe supply of clean water is necessary for human survival—yet 2.2 billion people around the world lack access to this basic human right. A global crisis is looming on water security, which has been escalated by climate ...

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