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• Carbon Dioxide
  

417 parts per million (current)

Carbon dioxide levels in the air are at their highest in 650,000 years

• Global Temperature
  

1.18 °C since 1880

Nineteen of the warmest years have occurred since 2000

• Arctic Sea Ice Extent
  

13.0 percent per decade since 1979

In 2012, Arctic summer sea ice shrank to the lowest extent on record

• Ice Sheets
  

428 billion metric tons per year

Satellite data show that Earth's polar ice sheets are losing mass

• Sea Level
  

3.4 millimeters per year

Global average sea level has risen nearly 7" (178 mm) over the past 100 years

• Ocean Heat Added
  

326 zettajoules since 1955

The past 20 years have seen the warmest ocean temperatures on record.

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