Gallery Section

More CO2 = More Pollen

Graphic

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

Graphic

Dire, Record Low Snowpack in California

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

Record Low Maximum for Arctic Sea Ice

Graphic

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.

Graphic

Spring is Arriving Earlier in the U.S.

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

Spring is Coming Earlier

Map

Spring is Coming Earlier

A state-by-state look at how spring is coming earlier, on average, in a warming world.

Spring Temperature Trends

Map

Spring Temperature Trends

Spring has been getting steadily warmer almost everywhere. Nationwide, temperatures have climbed an average of 1.9°F since 1970 (0.42°F per decade).

Spring Precipitation Trends

Map

Spring Precipitation Trends

Average precipitation during meteorological spring hasn't changed much since 1970. But regional patterns tell a different story.

Record Temperatures, Winter 2014/2015

Map

Record Temperatures, Winter 2014/2015

Record highs across the U.S. this winter have markedly beat the number of record lows by a margin of 3 to 2.