The night of the Iowa Democratic caucus ended in chaos and without an announced winner. One thing that is clear: Climate change was a top priority among caucus-goers. More than one in five Iowa caucus-goers said climate change mattered the most to them when deciding whom to support.  That made the issue of rising global temperatures the second-most important issue among Iowa voters, after the perennially important issue of health care, according to a preliminary entrance poll conducted by Edison Media Research for The Washington Post and other media organizations. Climate change ranked above both foreign policy and income inequality.

This solidifies a major shift, since climate change for years has been considered an afterthought among voters and candidates alike.