Science Monitor: Americans agree that climate change is real and caused by humans, but they arent that worried, says a new poll by The Associated Press-NORC Center for Public Affairs Research. In the October survey, 65 percent of those surveyed said Yes global warming is happening, and 51 percent said that climate change is caused entirely or mostly by human activities. However, only 23 percent were Extremely or very worried about global warming, and the highest percent of those polled 38 percent were...