July 19, 2010, 12:45 PM

The Passing of a Climate Warrior

By ANDREW C. REVKIN

1:06 p.m. | Updated
Stephen H. Schneider, a Stanford University climate scientist who for decades built the case that global warming, while laden with complexity, justified an aggressive response, has died. Ralph Cicerone, the president of the National Academy of Sciences, of which Schneider was a longtime member, said he had confirmed the news. [10:14 p.m. | Updated Stanford University has posted an obituary. Realclimate.org has posted an appreciation of Schneider written by Benjamin Santer of the Lawrence Livermore National Laboratory.]

Schneider, who was 65, spent decades studying the forces influencing climate and the policy implications of human-driven warming, as well as pressing the case for action to curb emissions of greenhouse gases even as he battled and subdued a rare cancer in recent years. In an e-mail message to a group of contacts, his wife, Terry Root, a biologist at Stanford, said it appeared that he died of a heart attack today as a flight he was on was landing in London.

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