Ozone layer: how the hole was plugged

In rare good news for the environment, a UN report confirmed Monday that the hole in the ozone layer that had been threatening Earth since the 1980s is shrinking.

Protecting the ozone layer is delivering vast health benefits

An international agreement to protect the ozone layer is expected to prevent 443 million cases of skin cancer and 63 million cataract cases for people born in the United States through the end of this century, according to ...

Video: Earth's ozone layer

Several decades ago, chlorofluorocarbons (CFCs) were chemicals used in hairspray, deodorants, foam products, air conditioners and more. In 1974 chemists Sherwood Rowland and Mario Molina published a paper that indicated ...

Time ticking as nations meet on Paris climate deal

Environment ministers from some 30 countries gathered Saturday in Montreal to push forward on implementing the Paris climate accord without the United States, three months after President Donald Trump walked out on the deal.

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