Americans give the U.S. just average or low marks on the progress it has made on protecting the environment and most believe the environment will be worse for the next generation of Americans.
A majority thinks global warming is caused mainly by human activity, and more than half of Americans think it’s having a serious impact now. Still, about 6 in 10 think humanity can do something to stop or slow climate change. CONT.
Fred Backus, CBS News
