Many of the world’s mayors, including NYC’s Mike Bloomberg, are participating in the Mayors’ Climate Change Summit
in Copenhagen this week. Stephen Hammer
, director of the Urban Energy Program at Columbia University's Center for Energy, Marine Transportation and Public Policy
, talks about what are they hoping to accomplish and what it means for NYC. Plus, Shahzeen Attari
, Earth Institute postdoctoral fellow at the Center for Research on Environmental Decisions
reports on her recent presentation at the conference about human behavior in regard to climate change.