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.

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