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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.

Climate Change Increasing Frequency of Coastal Flooding

Flooding at high tide is increasing along coastal communities in the U.S., and it’s going to get much more common with climate change.…

More Extreme Rain: Climate Extremes Index

Extreme rainfall is happening more often in a warming world, especially in the past few years in the U.S.

Strongest Tropical Cyclones by Region

As the climate warms, parts of the world have recently seen new records for tropical cyclone intensity.

Fall Warming Trends Across the U.S.

Fall is trending warmer in the U.S., which can affect fall foliage and agriculture.

A 2018 Summer of Extremes

From deluge to wildfires, summer 2018 was one of extremes in the U.S.

The Economic Impacts of Freshwater Fishing

Freshwater fishing has a major impact on the U.S. economy, and a changing climate is altering fish habitats and behaviors.

How Climate Change Affects Fishing

Warming streams, rivers, and lakes from climate change are taking a toll on recreational fishing.