Gallery Section
Telling the story with pictures

More CO2 = More Pollen

More CO2 = More Pollen

If CO2 emissions continue at the current pace, pollen counts are projected to nearly double by 2060.

Dire, Record Low Snowpack in California

Dire, Record Low Snowpack in California

This year's sad California snowpack "obliterates" the previous record low.

Record Low Maximum for Arctic Sea Ice

Record Low Maximum for Arctic Sea Ice

2015's annual maximum of winter Arctic sea ice is the lowest in the satellite record.

Spring is Arriving Earlier in the U.S.

Spring is Arriving Earlier in the U.S.

Spring is arriving earlier across the U.S. by an average of three days.

Carbon Dioxide on the Rise

Carbon Dioxide on the Rise

Atmospheric carbon dioxide levels continue to climb, averaging 400 parts per million for the month of February — the earliest in the year Earth has hit this global warming milestone on record.

Highest Levels in 800,000 Years

Highest Levels in 800,000 Years

This is the first time in at least 800,000 years, and possibly as long as 2 million, that atmospheric carbon dioxide levels have been this high.

Winter Storm Intensity

Winter Storm Intensity

Mid-latitude winter storms have increased in both intensity and frequency nationally since 1950.

Winter Storm Frequency

Winter Storm Frequency

Mid-latitude winter storms have increased in both intensity and frequency nationally since 1950.