Julian Sachs

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March 17, 2016

Galapagos lakes reveal tropical Pacific climate since Biblical times

University of Washington oceanographers track 2,000 years of El Niño history, showing that it can shift in strength for centuries at a time.

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August 8, 2014

Ancient shellfish remains rewrite 10,000-year history of El Niño cycles

Piles of ancient shells provide the first reliable long-term record for the powerful driver of year-to-year climate changes. Results show that the El Niños 10,000 years ago were as strong and frequent as they are today.

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