Ecological tipping point: 5+ El Niño events per century
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Anthropologists discovered a frequency threshold causes dramatic changes in marine and terrestrial eastern Pacific ecosystems, and offers a look into our future.
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In dry years, rivers become birds’ crowded corridors
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New research finds that in dry years, birds funnel into the greenness of river environments, but overcrowding may increase competition for habitat and resources.
Read MoreEXPECTING THE UNEXPECTED IN CLIMATE CHANGE
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Studying polar ice and tropical glacier ice samples, Lonnie Thompson and his team reconstruct climate and environmental histories going back 25,000 years – findings they say may help explain devastating population disruptions throughout history.
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