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.

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.

Poison Ivy in a Warming World

Poison Ivy in a Warming World

Scientists say increased CO2 emissions are making poison ivy worse.

Autumn is Falling Back

Autumn is Falling Back

Foliage color and timing has been starting later, on average, in a warming world.

Significant Events for Spring 2013

Significant Events for Spring 2013

The highlights of NOAA's 2013 Spring climate summary.

Autumn is on the Move

Autumn is on the Move

If it seems like autumn leaves are taking longer to change color, you're not imagining things. Over the past 25 years, the onset of autumn has shifted.

Pollen Searches are on the Rise

Pollen Searches are on the Rise

Online searches for the word"pollen" have gone through the roof this spring, and if you know anyone with seasonal allergies (and who doesn't?) this isn't surprising.

Plants and Climate Change

Plants and Climate Change

A visual look at six plant species that are already being affected by climate change.