States At Risk
Explore preparedness actions each state is taking in relation to their current and future changes in climate threats.
How Climate Change Intensifies Heavy Rain Events
Pouring it on
Climate change is making the wettest days wetter, heightening flood risks ...
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How Sea Level Rise Threatens America’s Houses of Worship
Faith and Flooding
Unchecked warming emissions are projected to leave hundreds of houses of worship in areas vulnerable to chronic flooding by midcentury ...
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National Trends of 1”, 2”, and 3” Rain Events
Extreme rainfall devastating communities
As the climate has warmed, here’s how extreme rainfall has changed in the U.S.
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Surging Seas • Sea Level Rise
Search by city, state or zip code to track the risk of flooding in your area.
Meteorology
Climate Matters provides meteorologists with data & graphics on local weather events and their link to climate change.
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Guided by data and science, our journalists collaborate with local newsrooms on compelling climate change coverage.
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National Trends of 1”, 2”, and 3” Rain Events
As the climate has warmed, here’s how extreme rainfall has changed in the U.S.
More Warm Spring Days (1970-2018)
Climate change is bringing more warm spring days — see how they are trending in your area.
Trends for Your Area’s Rainiest Day of the Year
Climate change has made the year’s heaviest rainstorm even heavier. See the change in your area.
Shifting Tornado Zones
U.S. tornado hotspots are shifting east. See if your region is affected.
CO2 Concentrations Rising Past 400 Parts Per Million
As we emit more fossil fuels, atmospheric CO2 concentrations are rising each year — reaching levels that are unprecedented in history.
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Upton on Zillow Report
Our features writer John Upton talks our Zillow report, the National Climate Assessment, and more with NBC10 Philadelphia's Rosemary Connors.
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Featured Content
POURING IT ON: How Climate Change Intensifies Heavy Rain Events
Climate change is making the wettest days wetter, heightening flood risks.
FAITH AND FLOODING: How Sea Level Rise Threatens America’s Houses of Worship
Unchecked warming emissions are projected to leave hundreds of houses of worship in areas vulnerable to chronic flooding by midcentury.
N.J. Is Warming at An Alarming Rate and It’s Making Our Air Harder to Breathe
This warming trend, combined with pollution from cars, power plants and chemical plants, is expected to increase the number of days each year that…
AMERICAN WARMING: The Fastest-Warming Cities and States in the U.S.
Local temperature data from 1970 to 2018 shows warming trends across the country — and Americans are already feeling the effects.
Earlier Springs Heighten Allergy Misery in Tennessee
As global temperatures continue to rise, Knoxville is experiencing earlier springs, ushering in longer allergy seasons. Pollen intensity is increasing, inducing sickening impacts for…
A Change in the Air: Earlier Springs Bring Allergies and Asthma to Hard-Hit San Antonio
San Antonio is one of the most challenging cities for spring allergies sufferers, and rising temperatures are making it worse.
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