Earth
Software predicts where El Ni帽o will strike next
A program that tracks the subtler effects of the destructive El Ni帽o weather systems could improve forecasts
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A program that tracks the subtler effects of the destructive El Ni帽o weather systems could improve forecasts
The poles were once covered by lakes and forests instead of ice. Anil Ananthaswamy finds out what the world was like in the last great warming