| Three years ago I identified problems in previous climate studies that, in my mind, threw doubt on the very existence of global warming. Last year, following an intensive research effort involving a dozen scientists, I concluded that global warming was real and that the prior estimates of the rate of warming were correct. I'm now going a step further: Humans are almost entirely the cause. |
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Sheila Samples is an Oklahoma writer and a former civilian US Army Public Information Officer. She is a Managing Editor for OpEd News, and a regular contributor for a variety of Internet sites.