Ozone-depleting CFCs hit record despite ban: Study

Their power to dissolve the ozone layer shielding Earth from the Sun prompted a worldwide ban, but scientists on Monday revealed that some human-made chlorofluorocarbons have reached record levels, boosting climate-changing ...

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.

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