Wildfires, flooding, and some of warmest years on record -- climate change has become an ever more imminent threat. But without action from DC, the states have become the frontline of climate change policy. Professor Leah Stokes unravels the history of clean energy laws in the states, how environmental advocates and industry groups have battled it out there, and how the Green New Deal fits into the fight.

For more on this topic:

• Check out Stoke's OpEd on the Green New Deal in The Washington Post
• Read her OpEds about climate change policy and public opinion in the LA Times, and The New York Times.