Associated Press: Global warming has mostly made the weather more pleasant for Americans over the last 40 years, which may explain why much of the public doesn't rank climate change as big a threat as do scientists and the rest of the world, a new study suggests.
But that perceived benefit of global warming mostly milder winters will soon be outweighed by more oppressive summer heat, according to a study in the journal Nature that's dividing the scientific community.
"Americans are getting the wrong signal...