Climate Central: The most sophisticated, comprehensive and succinct scientific account of the accelerating impacts of human activity on the world around us, from warming and rising oceans to the growing toll of heat stroke, was published Sunday by a United Nations panel. The picture that emerged from the 116-page synthesis of three blockbuster climate change reports was alarming. "The atmosphere and ocean have warmed, the amounts of snow and ice have diminished, and sea level has risen,' it reminds us, warning that...