For the second year in a row the number of people concerned about global warming has increased. According to Gallup, 58 percent of Americans are worried a great deal about global warming. This is a large increase from 2011 when only 51 percent of Americans were concerned about it, but it is only a return to where the public was on this issue before the Wall Street crash. From Gallup:
Right after the economic collapse Americans became less concerned about global warming as economic issues took on greater importance. They also increasingly doubted its existence. From Gallup:
As the economy has slowly improved the issue has managed to regain much of the traction it lost. The economic downturn was a set back for environmentalists but only a temporary one.