Guardian: The Earths climate will enter a new permanent reality from next year when concentrations of CO2 in the atmosphere are likely to pass a historic milestone, the head of the UNs weather agency has warned.
The record concentrations of CO2 in the atmosphere were up 43% since pre-industrial times, said the World Meteorological Organization (WMO), prompting its secretary general Michel Jarraud to say immediate action was needed to cut CO2 emissions.
The WMOs latest greenhouse gas bulletin comes...