With a majority of the House of Representatives hostile to regulatory action on climate change, President Obama announced in his January 2013 State of the Union address, and again shortly thereafter in his second inaugural address, that he would use his existing statutory authority to move on what he called a threat to future generations. The president followed through on June 25 with a detailed action plan.
This article describes the principal elements of The President's Climate Action Plan and the progress so far in implementing it.
Environmental Law | Law
Michael B. Gerrard,
President Obama Tackles Climate Change Without Congress,
Available at: https://scholarship.law.columbia.edu/faculty_scholarship/4231