Living on Earth: GELLERMAN: From the Jennifer and Ted Stanley Studios in Somerville, Massachusetts, this is Living on Earth. I’m Bruce Gellerman. Last year at the UN climate talks in Copenhagen nations failed to agree to a new treaty limiting greenhouse gases. Now Christiana Figueres, the new head of the UN climate process, is lowering expectations for future negotiations. FIGURES: One of the major mistakes that we all bought into is the myth of the big bang theory in climate. But what is clear is …