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The 10 Hottest Global Years on Record

2017 was globally the third-warmest year on record. See the rest of the top 10 here.

2017 Global Temp Review: Continental Heat Rankings

2017 was the third warmest year in the global record. See how each continent ranked.

2017 Global Temp Review: Land & Ocean

Globally, 2017 was the third warmest year on record. See what parts of the world were warmest.

Sublette on Philadelphia Sea Level Rise

Sea level rise from climate change poses threats to Philadelphia, including most of its airport.

2017 U.S. Temperature Review

Several states had one of their hottest years on record in 2017.

The 10 Most Important U.S. Climate Stories in 2017

Following a year of weather extremes, disasters and policy clashes, we asked our readers to help us pick out the most important climate storie…

The Number and Cost of Weather Disasters is Increasing in the U.S.

As the climate changes, the number and cost of weather disasters is increasing in the U.S.

2017 Was the Year of the Billion-Dollar Disaster

There have been 15 billion-dollar weather-related disasters in the U.S. in 2017, and the year may finish as the costliest on record.

Antarctic Modeling Pushes Up Sea-Level Rise Projections

Antarctic ice sheet models double the sea-level rise expected this century if global emissions of heat-trapping pollution remain high.

North American Snow Cover on the Decline

As the world warms, snow cover in North America is on the decline.

How Smoke From California’s Fires is Harming the Most Vulnerable

As climate change stokes polluting fires, southern California's most vulnerable are being hit the hardest.

Daily Record Highs are Dramatically Outpacing Daily Record Lows

Daily record highs are dramatically outpacing daily record lows in the U.S. in the last 20 years.

See How Much Winters Have Been Warming in Your City

Here's where winters are warming the most across the U.S.

Here’s Where Winters Are Warming the Most

The Northern Plains, Great Lakes, and the Northeast are warming the fastest, while warming is taking place at a slower rate in the western U.S…

Lake Effect Snow Season is Shifting and Contracting

Watch how lake effect snow is expected to change in the coming decades.

Less Lake Ice, More Potential Lake Effect Snow

Climate change is warming the Great Lakes, meaning more lake effect snow — for now.

Here’s How Wildfire Pollution Harms Health

Warming temperatures combined with drought conditions are major factors for the increase in wildfires.

Breathing Fire

As climate change fuels large wildfires, the pollution they're releasing is making Americans sick and undermining decades of progress in clean…

Western Wildfires Undermining Progress on Air Pollution

Smoke pollution is leading to serious public health impacts as large wildfires across the American West become more frequent and destructive.…

October Warming

Octobers are about 2°F warmer in the U.S. than a generation ago.

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Fuel Used to Make Electricity in US: 2008 Coal was the dominant fuel used to to generate electricity in the US in 2008.

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