"Each of the last three decades has been successively warmer at the Earth’s surface than any preceding decade since 1850." "Warming of the climate system is unequivocal."
"Each of the last three decades has been successively warmer at the Earth’s surface than any preceding decade since 1850."
"Warming of the climate system is unequivocal."
SourceWorking Group I Contribution to the IPCC Fifth Assessment ReportClimate Change 2013: The Physical Science BasisSummary for Policymakers