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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.

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.

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.…

Woods Placky on This Summer’s Extreme Weather

Attribution science is tricky, but hurricanes are fueled by warmer waters.

Brazil’s Worst Month Ever for Forest Fires Blamed on Human Activity

This September, Brazil saw more fires burning than any month on record.

These Major Weather Events Defined Summer 2017

While Harvey was the most damaging weather event this summer, there were other extremes in the U.S.

2017 Summer Review

See how the summer temperatures and rainfall compared to normal this year in these cities.

There’s a Wildfire Burning in West Greenland Right Now

It's a land known more for ice than fire, but a wildfire has flared up on Greenland's western edge.

This is British Columbia’s Second-Worst Wildfire Season. It’s Far From Over

Wildfires are raging across British Columbia. They're the latest sign of climate change in the northern forest.

Wildfire Season Is Scorching the West

The Western wildfire season is off to a busy start, as rising temperatures fuel more and larger wildfires.

Area Burned by Wildfires is Increasing

Climate change is one reason the area burned by western wildfires is increasing.

Number of Large Fires Rising in the West

The number of large wildfires in the West is rising and climate change is playing a role.

This Map Shows Warming’s Fingerprints on Weather

A new, interactive map shows where studies have found a discernible role for warming in extreme weather events.

The West Is on Fire As Heat Records Fall

A scorcher of a heat wave broke temperature records across the West and helped fuel new wildfires.

Global Warming Tipped Scales in Europe’s Heat Wave

A major heat wave that helped fuel deadly wildfires in Portugal was more likely because of global warming.

These NASA Images Show Siberia Burning Up

Large wildfires are becoming increasing common and severe in boreal forests around the world.

Gallery

Coal Use Declining in the U.S. Here's how the decline in coal use is linked to climate-friendly cars.

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