World-News

Richard Harris, NPR News: "Climate change is essentially irreversible, according to a sobering new scientific study. As carbon dioxide emissions continue to rise, the world will experience more and more long-term environmental disruption. The damage will persist even when, and if, emissions are brought under control, says study author Susan Solomon, who is among the world's top climate scientists. 'We're used to thinking about pollution problems as things that we can fix,' Solomon says. 'Smog, we just cut back and everything will be better later. Or haze, you know, it'll go away pretty quickly.'"

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