claim: Most of the warming occurred in the past 35 years, with the five warmest years on record taking place since 2010.
evidence: In December 2009, the World Meteorological Organization (WMO) announced that the 2000s may have been the warmest decade since records began in 1850, with four of the five warmest years since 1850 having occurred in this decade.
category: 2000s (decade)