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