“Evidence for climate change abounds, from the top of the atmosphere to the depths of the oceans. This evidence has been compiled by scientists and engineers from around the world, using satellites, weather balloons, thermometers, buoys, and other observing systems. The sum total of this evidence tells an unambiguous story: the planet is warming.” (The National Climate Assessment, January 11, 2013 | Executive Summary)
Bad News for Bears (And the Rest of Us, Too)
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