Global climate change poses one of the most pressing environmental, economic, and social problems of the 21st Century. The United States of America bears a disproportionate burden for contributing to global climate change and has the capacity - if not the will - to be a world leader in combating...

For many years the roles of the main state players in climate politics were well defined, if not desirable. The United States was the rogue state; the European Union was the vocal champion; the rapidly developing economies were the understandably absent but essential missing links and the small...