How Much Hot Air do the Climate Treaty Negotiators Produce?

How Much Hot Air do the Climate Treaty Negotiators Produce?

Janek Skarzynski/AFP/Getty Images

Christiana Figueres (L), Executive Secretary of the United Nations Framework Convention on Climate Change, United Nations Secretary General Ban Ki-moon and Polish Prime Minister Donald Tusk (R) at the of United Nations Climate Change Conference COP 19 on Nov. 19, 2013 in Warsaw.