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Delhi's complicated air pollution problem

According to the World Health Organization, Delhi is the world's most polluted large city. And it's only going to get worse if something isn't done about it, say some experts in an article in Chemical & Engineering News (C&EN), ...

date6 hours ago in Environment
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Banning plastic bags, town by town: A guide

Since plastic carryout bags were introduced in the 1960s, people have used trillions of them, and, for the most part, thrown them away. And whether they're sitting in a landfill, hung up in a tree limb or floating around ...

date7 hours ago in Environment
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