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"We don't know enough..." How to talk to an OSTRICH

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Published on Apr 15, 2012

It's true that Earth's a massive jigsaw puzzle, with lots of pieces intricately fitting together. But, Richard Alley argues, we already know enough to see the Big Picture. The missing pieces of scientific understanding - exactly how clouds work, how extreme weather will change with global warming - are important, but we can already see how Earth works.

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