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With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how the planet became habitable to life about 4.4 billion years agcrust o is coming into sh...
Volcanoes Cool the Tropics, Say Researchers--But Global Warming May Have Helped Override Some Recent Eruptions（图）
Volcanoes the Tropics Global Warming Some Recent Eruptions
2009/12/10
Climate researchers have shown that big volcanic eruptions over the past 450 years have temporarily cooled weather in the tropics—but suggest that such effects may have been masked in the 20th century...