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 WarmingQuadrupled Since Late 20th Century
​13% faster than estimated

IPCCC 2014 AR5  Oceans Compendium
UN 2013World Oceans Assessment
IUCN 2016World marine
​oceans assessment
Mar 2017 S. A. HensonRapid emergence of climate change in environmental drivers of marine ecosystems