It's a good thing that cities aspire to lead the way in acting on climate change in the absence of stronger national action. But a closer look reveals the limitations of current city-based efforts.
International problems and local policies are integrally interwoven, whether the nationalists in Washington like it or not.
Talk of adapting to climate change is less polarizing to conservatives than the idea of slashing emissions.
Future population growth is expected to take place almost entirely in cities. We won't fight climate change without them.
Lee: 'Business will be far from usual in a world of four, five or six degrees of warming.'
Green and cool (reflective) roofs are effective tools for cooling overheated cities. Research in Chicago shows that their impacts depend on local conditions, so planners should site them carefully.
Despite the fanfare of signing the Paris Agreement on climate, little progress has been made on compensating poor countries for irreparable damages from climate change.
The Paris Agreement marks an important step towards climate change mitigation – one in which developed and developing countries alike take action.