Following the Copenhagen climate Accord, developed and developing countries have pledged to cut their greenhouse gas emissions, emissions intensity or emissions relative to baseline. This analysis puts the targets for the major countries on a common footing, and compares them across different...

Climate change is a global problem that will ultimately require a concerted global response. Policy analysts are divided about whether individual jurisdictions and groups of jurisdictions should take the initiative in the meantime. I argue in favor of subglobal efforts, both for their direct...