WMO raises the alarm: greenhouse gases at highest level since 1748

video Geneva, Switzerland GenevaLunch – The main greenhouse gases rose 1 percent from 2008 to 2009 and 27.5 percent from 1990 to 2009, the 2009 Greenhouse Gas Bulletin published by the World Meteorological Organization WMO in Geneva. The higher levels reflect the “rising atmospheric burden of carbon dioxide, methane and nitrous oxide”, the three main …