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Earth's ozone is in good shape, scientists say

from Nature World News

After years of dangerous depletion that left a giant hole over Antarctica, our ozone is finally recovering. Once scientists realized that bromine-containing halons and chlorofluorocarbons, or CFCs, were eating away at the Earth's protective layer, leaders enacted the 1987 Montreal Protocol banning such chemicals. Now we are reaping the rewards, with the ozone layer in much better shape than it would have been without the United Nations treaty. more


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