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Peter H. Gleick, a water and climate analyst who has been studying aspects of global warming for more than two decades, in recent years became an aggressive critic of organizations and individuals casting doubt on the seriousness of greenhouse-driven climate change. He used blogs, congressional testimony, group letters and other means to make his case.

Now, Gleick has admitted to an act that leaves his reputation in ruins and threatens to undercut the cause he spent so much time pursuing. His summary, just published on his blog at Huffington Post, speaks for itself. You can read his short statement below with a couple of thoughts from me: