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Temperature
Atmospheric GHGs
CO2 levels
Emissions
Oceans
Weather extremes
The State of Our Climate
Atmospheric
greenhouse gases 2017
CO2 406 ppm
CH4 1860 ppb
N2O 339 pp
b
Atmospheric CO2 15 million year high
SPEI
Global drought
Abrupt increase in radiative forcing
:i
ncreasing Earth system heat from GHGs
constantly increasing
in the lower
atmosphere
.
Most of the heat goes to ocean warming
Oceans
March 2017 Rate of Ocean Warming
Quadrupled Since Late 20th Century
13% faster than estimated
IPCCC 2014 AR5
Oceans Compendium
UN 2013
World Oceans Assessment
IUCN 2016
World marine
oceans assessment
Mar 2017 S. A. Henson
Rapid emergence of climate change in environmental drivers of marine ecosystems