Slow progress at global climate talks is belied by the plethora of actions in many smaller and more at-risk developing nations.
Cities can break the link between high living standards and significant contributions to climate change, using many technologies and policies that are already available if not widely used.
Study asks 'whose greenhouse gas is it anyway?' and urges a broader look at cities and climate change
An international lawsuit on greenhouse gas emissions could help create the political pressure and third-party guidance needed to revive global climate negotiations.
Few lobbyists or negotiators at the Copenhagen Climate Change conference advocated one solution to the urgent task of slashing greenhouse gas emissions – a deeper, longer, uglier recession.