Statement by UNFCCC Executive Secretary on crossing of 400 ppm CO2 Threshold
Press release from the United Nations Framework Convention on Climate Change (Bonn, 13 May 2013): Reacting to the fact that the global concentration of heat-trapping carbon dioxide in the atmosphere last week passed the 400 parts per million mark, the Executive Secretary of the UN Framework Convention on Climate Change Christiana Figueres on Monday called for a greatly stepped-up response to climate change by…
