Geoengineering research has historically been inhibited by fears that the perceived availability of a technological fix for climate change, such as the deployment of space-based reflectors, may undermine greenhouse gas abatement efforts. I develop a game theoretic model to show that the credible...

More than 600 local governments in the U.S. are developing climate action plans that lay out specific measures to reduce emissions from municipal operations, households and firms. To date, however, it is unclear whether these plans are being implemented or have any causal effects on emissions....