It's difficult to predict specifically what's next to come, but a draft report to the UN says government foot-dragging will lead to devastating surprises. We hear about new pressures on the Obama Administration and how politics are complicating the findings of science.

Guests:

• Juliet Eilperin: Washington Post, @eilperin
• Michael Brune: Sierra Club, @bruneski
• John Reilly: Massachusetts Institute of Technology, @MITGlobalChange
• Ed Maibach: George Mason University, @MaibachEd
• Michael Mann: Pennsylvania State University, @MichaelEMann