A former White House official accused of improperly editing reports on global warming defended his editing changes Monday, saying they reflected views in a 2001 report by the National Academy of Sciences.
A key element of the second major report on climate change being released Friday in Belgium is a chart that maps out the effects of global warming with every degree of temperature rise, forecasting that the number of species going extinct will rise with the heat, according to the draft report obtained by The Associated Press
