According to Bill Gray, professor emeritus of atmospheric science at Colorado State University, there has been a weak cooling trend since 2001, based on ocean temperatures. He avers that contrary to what the global warming Cassandras hold, increases of carbon dioxide could have contributed only "a small fraction" of the roughly one degree Fahrenheit warming that has been observed since 1850. His prediction? A "modest naturally driven global cooling over the next 15-20 years," similar to what took place from the 1940s to the 1970s. Then there was hysteria about the coming of the next ice age, according to Ross.
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