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Atlantic Ocean’s slowdown tied to changes in the Southern Hemisphere

The ocean circulation that is responsible for England’s mild climate appears to be slowing down. The shift is not sudden or dramatic, as in the 2004 sci-fi movie “The Day After Tomorrow,” but it is a real effect that has consequences for the climates of eastern North America and Western Europe. Also unlike in that movie, and in theories of …

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Tim Radford – Forests of southwest US face mass die-off by 2100

Tens of millions of trees in California are now at risk because of sustained drought, according to new research. And a different study in a different journal foresees a parched future for the evergreen forests not just in the Golden State but in the entire US southwest. Gregory Asner of the Carnegie Institution for Science in Stanford, California and colleagues …