Why Trump's pull-out of the Paris Agreement may open the door for state Governors to push their own climate action.

In June, President Trump announced that the US would be withdrawing from the Paris Agreement on climate change, prompting some US cities and states to reaffirm their own commitments to the agreement. In new research, Katja Biedenkopf looks at how federal inaction can spur state Governors to push for ambitious policies to mitigate climate change. She cautions that such actions ...