Word: ropelewski
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Other scientists note that global climate moves in broad historical cycles of warming and cooling tens of thousands of years long. Astronomical cycles, volcanoes, the interplay of deserts, oceans, cloud cover, even the methane produced by termites, can affect the density of the atmospheric greenhouse. Declares Chester Ropelewski, a climate specialist with the Maryland-based Climate Analysis Center: "It's still not clear whether this is the CO2 signal. The hard evidence isn't there...
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