Congress has not enacted major environmental legislation since 1990, and no end to the paralysis is in sight. Nonetheless, there is a great deal that the Obama Administration can do with its existing statutory powers to fight climate change.
Environmental Law | Law
Sabin Center for Climate Change Law
Michael B. Gerrard,
Climate Change Action Without Congress,
Harv. L. Rev. F.
Available at: https://scholarship.law.columbia.edu/faculty_scholarship/2918