Whatever Happened to Acid Rain?

Acid rain was a well-covered environmental crisis, but we don't really hear much about it now. What happened to it?


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Acid rain was a well-covered environmental crisis, but we don't really hear much about it now. What happened to it?


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How Much Global Warming Is Already Locked In?

We've released a lot of greenhouse gases already. If we stopped releasing them tomorrow, how much warming would we have already locked in?


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We've released a lot of greenhouse gases already. If we stopped releasing them tomorrow, how much warming would we have already locked in?


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