Warming of the climate system is unequivocal
Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia. The atmosphere and ocean have warmed, the amounts of snow and ice have diminished, sea level has risen, and the concentrations of greenhouse gases have increased.

The Twelfth Session of Working Group I (WGI-12) was held from 23 to 26 September 2013 in Stockholm, Sweden. At the Session, the Summary for Policymakers (SPM) of the Working Group I contribution to the IPCC Fifth Assessment Report (WGI AR5) was approved and the underlying scientific and technical assessment accepted.

Anthropogenic Climate Change »Anthropogenic Climate Change
Is the Earth's climate changing? »Is the Earth's climate changing?
Warming of the climate system is unequivocal
Observed changes in the climate system »Observed changes in the climate system
+Comments (0)
+Citations (1)