Giant Sequoias Yield Longest Fire History from Tree Rings

(PhysOrg.com) -- California's western Sierra Nevada had more frequent fires between 800 and 1300 than at any time in the past 3,000 years, according to a new study led by Thomas W. Swetnam, director of UA's Laboratory of ...

Understanding forest fire history can help keep forests healthy

For nearly a century, forest fires have been viewed by scientists and the public as dangerous and environmentally damaging disasters. However, recent research has shown that forest fires are vital to maintaining healthy forests. ...

'Extreme' wildfires and heavy smoke grip western US and Canada

A brutal start to the wildfire season in the western United States and Canada worsened Thursday as a massive Oregon blaze exploded in dry, windy conditions and a new California blaze threatened communities devastated by the ...

Video: This town has been on fire for 50 years

In 1962, an underground fire started in the coal-mining town of Centralia, Pennsylvania. Fifty-three years later, that fire still burns. In this week's episode of Reactions, we explain the history and science behind the Centralia ...

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