Global Vital Signs

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“Since 1998, human activity has trapped more than two billion atomic bombs’ worth of extra heat in our planet’s climatic system—primarily by raising greenhouse-gas concentrations to their highest levels in 800,000 years, at the fastest rate Earth has seen since the age of dinosaurs.”

National Geographic August 2017.


GLOBAL LAND-OCEAN TEMPERATURE INDEX
LATEST ANNUAL AVERAGE:  2016
0.99 °C

Data source: NASA's Goddard Institute for Space Studies (GISS). Credit: NASA/GISS

Data source: NASA's Goddard Institute for Space Studies (GISS).

Credit: NASA/GISS


Carbon Dioxide 
NASA LATEST MEASUREMENT: July 2017
406.69 ppm

Data source: Monthly measurements (average seasonal cycle removed). Credit: NOAA

Data source: Monthly measurements (average seasonal cycle removed). Credit: NOAA


Land Ice
RATE OF CHANGE
127.0 Gigatonnes per year (margin: ±39)

Data source: NASA's Goddard Institute for Space Studies (GISS). Credit: NASA/GISS

Data source: NASA's Goddard Institute for Space Studies (GISS).
Credit: NASA/GISS


Sea Level
LATEST MEASUREMENT: April 2017,  86.4 mm
RATE OF CHANGE ↑ 3.4 millimeters per year (margin: ±0.4)

SATELLITE DATA: 1993-PRESENT - Data source: Satellite sea level observations. Credit: NASA Goddard Space Flight Center

SATELLITE DATA: 1993-PRESENT - Data source: Satellite sea level observations.
Credit: NASA Goddard Space Flight Center