UN: Greenhouse Gases Reach Record Levels
According to the United Nation’s World Meteorological Organization (WMO), in a report released on November 23, 2009, the levels of all greenhouse gases continue to increase exponentially. In 2008, the global concentrations of carbon dioxide (CO2), methane (CH4), and nitrous oxide, which are the main long-lived greenhouse gases in the atmosphere, reached the highest levels […]
