Four most polluted national park sites are in California

A couple years ago, as part of the Sierra Club's Outdoors for All campaign, Roberto Morales took a group of low-income Los Angeles area residents north to Sequoia National Park to help with a forest restoration project.

Preventative fires credited with saving Yosemite sequoias

A famed grove of giant sequoias in Yosemite National Park survived its first wildfire in more than a century, thanks to efforts to regularly burn the undergrowth beneath the towering trees, a forest ecologist who toured the ...

Wildfires torched up to a fifth of all giant sequoia trees

Lightning-sparked wildfires killed thousands of giant sequoias this year, leading to a staggering two-year death toll that accounts for up to nearly a fifth of Earth's largest trees, officials said Friday.

Sequoia National Park's Giant Forest unscathed by wildfire

The ancient massive trees of Sequoia National Park's famed Giant Forest were unscathed Tuesday even though a wildfire has been burning near them on the western side of California's Sierra Nevada for nearly two weeks.

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