Energy Collective: The head of the U.S. Environmental Protection Agency (EPA) doesnt go to China very often. But when she does it generates a lot of attention. After all, Administrator McCarthy and the EPA are important actors in implementing President Obamas Climate Action Plan. They also know quite a bit about how to address local air pollution as they have played a central role in Americas effort to significantly clean the air over the past 40 years. Both of those issues carbon and air pollution are front...