Carbon Dioxide ⇑ 413 parts per million Carbon dioxide levels in the air are at their highest in 650,000 years Global Temperature ⇑ 1.9°F since 1880 Nineteen of the 20 warmest years on record have occurred since 2001 Arctic Ice Minimum ⇓ 12.85 percent per decade In 2012, Arctic summer sea ice shrank to the lowest extent on record Ice Sheets ⇓ 428 Gigatonnes per year Satellite data show that Earth’s polar ice sheets are losing mass Sea Level ⇑ 3.3 millimeters per year Global average sea level has risen nearly 7″ (178 mm) over the past 100 years