Feb 2, 2007

It's Official

"Warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and rising global mean sea level… Most of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations."
—Intergovernmental Panel On Climate Change, Climate Change 2007: The Physical Science Basis

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