A new University of Michigan poll found 73 percent of Americans think there is “solid evidence of global warming,” more than any time in the past decade of recorded surveys. A record 60 percent say global warming is happening and that humans are “at least partially responsible for rising temperatures.” Broken down by party lines, even half of Republican respondents say there is solid evidence of global warming, while 90 percent of Democratic respondents believe the same, per the survey.

Oklahoma and Kansas have joined Iowa and South Dakota on the list of states that generate at least 30 percent of their electricity annually from wind. For more, see the American Wind Energy Association's annual report on the state of the wind power market.