French Michel Jarraud, Secretary-General of World Meteorological Organization, WMO, informs the media about greenhouse gases in the atmosphere, during a press conference at the European headquarters ... more 
French Michel Jarraud, Secretary-General of World Meteorological Organization, WMO, informs the media about greenhouse gases in the atmosphere, during a press conference at the European headquarters of the United Nations in Geneva, Switzerland, Tuesday, Nov. 20, 2012. (AP Photo/Keystone/Salvatore Di Nolfi) less 
1 / 22
Associated Press | Photo By Keystone/Salvatore Di Nolfi
Tue, Nov 20, 2012 11:47 AM EST