Tag Archive for 'Michel Jarraud'

Greenhouse gases in atmosphere continue to increase in 2011

November 20th, 2012 by World Meteorological Organization

The World Meteorological Organization reports that greenhouse gases in the atmosphere reached a new record high in 2011. Between 1990 and 2011 there was a 30% increase in radiative forcing – the warming effect on our climate – because of carbon dioxide (CO2) and other heat-trapping long-lived gases. According to WMO’s 2011 Greenhouse Gas Bulletin, […]

Global temperatures in 2011 higher than in any previous La Niña year

December 4th, 2011 by World Meteorological Organization

Global temperatures in 2011 are currently the tenth highest on record and are higher than any previous year with a La Niña event, which has a relative cooling influence. The 13 warmest years have all occurred in the 15 years since 1997. The extent of Arctic sea ice in 2011 was the second lowest on […]