Tags : global

Carbon Emissions Climate Global Warming News United Nations

Global Greenhouse Gas Levels Hit New Record

On Tuesday the United Nations World Meteorological Organization (WMO) reported in its Greenhouse Gas Bulletin that the volume of atmospheric greenhouse gases hit a new record in 2011. Carbon dioxide, the principal greenhouse gas, reached a level of 390.9 parts per million (ppm) in 2011, or 140 percent of pre-industrial levels. The WMO estimates that […]Read More