The 
World Meterological Organization report offers alarming statistics.
from the World Meterological Organization
GENEVA, July 3, 2013 — The world experienced unprecedented high-impact climate extremes during the 2001-2010 decade, which was the warmest since the start of modern measurements in 1850 and continued an extended period of pronounced global warming. More national temperature records were reported broken than in any previous decade, according to a new report by the World Meteorological Organization (WMO).