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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…

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.

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.

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.

West Nile Crippling El Pasoans, Rising Temperatures Play Role

Most U.S. cities have experienced an increase in the average number of mosquito disease danger days each year. El Paso's increase was larger t…

Mosquito Disease Danger Days

The number of days a year that mosquitoes can transmit disease is increasing in much of the U.S. 

U.S. Faces a Rise in Mosquito ‘Disease Danger Days’

Climate change is causing a change in location of disease-carrying mosquitoes as the world warms, likely leading to a significant public healt…

Little League, Big Heat

The Little League World Series is heating up. See how much hotter summers are getting in Williamsport, Pennsylvania.

Longer Heat Streaks

The number of consecutive hot summer days, or heat streaks, is increasing in much of the U.S.

Extremely Hot Days on the Rise

The number of extremely hot summer days is increasing in much of the U.S., and with it, the risk of heat-related illness.

2018 Global Heat So Far

Just like the past four years, 2018 is on pace to be one of the hottest years globally.

2018 U.S. Temps: State Rankings Through June

Halfway through 2018, the U.S. is having its 14th warmest year on record, with the Southwest leading the way.