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New Tool Forecasts Local Power Generation

By enabling meteorologists to routinely inform their viewers about local generation of renewable electricity, the tool increases viewers’ aw…

States With the Most Billion-Dollar Disasters

These states have suffered the most billion-dollar weather and climate disasters since 1980.

Billion-Dollar Disasters Trending Up

The four years with the most billion-dollar disasters have all happened since 2011.

John Upton Talks Sea Level Rise, National Climate Assessment

Scientists have concluded that rising sea levels caused by global warming threaten new homes in the greater Philadelphia area, including in Ne…

Fastest Warming Seasons

Here's why winter is the fastest-warming season in most of the country.

Seasonal Warming Trends Across the U.S.

Check out which season is warming the fastest in your state.

Rising Global Temperatures and CO2

The amount of carbon dioxide in the atmosphere has a strong correlation with rising temperatures.

Greenhouse Gas Sources in the U.S.

Greenhouse gases come from several sources in the U.S., not just your furnace and you car exhaust.

Greenhouse Gas Concentrations

Greenhouse gases held steady for hundreds of years, but have jumped up since the start of the industrial era.

Want to Build a Delaware Beach House? Expect Regular Floodwaters in 30 Years

Between 2010 and 2017 more than 700 homes in Delaware — worth roughly $500 million — were built on land that’s projected to be inundated…

New Homes in the 2050 Coastal Flood Zone

Sea level rise will threaten hundreds of thousands of homes in the coming decades — and many communities have built a striking number of new…

Ocean at the Door: New Homes and the Rising Sea

Recent housing growth rates are faster in high flood risk zones for most coastal states.

Warming at 100 Military Sites Across the U.S.

100 important military bases across the U.S. are warming from climate change, contributing to the increase in extreme weather that stresses ou…

Halloween Extremes Across the U.S.

See how the Halloween extremes and October temperatures are trending in these U.S. cities.

The Widespread Climate Benefits of Trees

Trees have widespread climate benefits, from lowering cooling costs to reducing our carbon footprint.

The Power of Trees

See how trees in these cities are improving air quality, reducing flood risks, and offsetting carbon emissions.

Fall Nights Are Warming in Our Changing Climate

Cool, crisp fall nights signal the end to bug, allergy, and growing season. See how fall nightly temperatures are trending in these U.S. citie…

The Globe Is Already Above 1°C, on Its Way to 1.5°C

Global average temperature has already warmed 1°C beyond pre-industrial levels, on its way to 1.5°C without deep emissions cuts.

Limiting Global Warming to 1.5°C Will Require Deep Emissions Cuts

Dramatic cuts in CO2 are needed to keep Earth from warming more than 2.7°F (1.5°C) above pre-industrial levels.

Rising Tides: How Near-Daily Flooding of America’s Shorelines Could Become the Norm

Minor floods, and the damage and disruption they cause, have grown far more common in the last few decades.