World leaders gather for the World Climate Change Conference

Updated: 2015-11-30 17:39

(Agencies)

World leaders gather for the World Climate Change Conference

U.S. President Barack Obama (R) is welcomed by French Ecology Minister Segolene Royal (L) and French Foreign Affairs Minister Laurent Fabius, President-designate of COP21, as he arrives for the opening day of the World Climate Change Conference 2015 (COP21) at Le Bourget, near Paris, France, November 30, 2015. [Photo/Agencies]