US policy to limit greenhouse gas emissions is currently driven, in part, by the US Environmental Protection Agency's proposed Clean Power Plan, which seeks a drop in carbon dioxide (CO2) emissions from fossil-fueled power plants — a “downstream” approach to regulation. Here, we consider...

We examine how attitudes and willingness to pay (WTP) for climate policies have changed over the past decade in the United States, China, and Sweden. All three countries exhibit an increased willingness to pay for climate mitigation. Ten years ago, Sweden had a larger fraction of believers in...