Reuters/Enrique Castro-Mendivil - Delegates talk during a break at a plenary session of the U.N. Climate Change Conference COP 20 in Lima December 12, 2014.
Finding Hope and a Glass Half Full at the Climate Talks in Lima
December 15, 2014,
Timmons Roberts examines the outcomes from the recent climate negotiations in Lima, Peru. Roberts explains that while the ending at Lima was positive, many of the tough issues will not be decided until this time next year in Paris.