A National Park Service plan to set fire to an ancient sequoia grove in western Sierra Nevada has been canceled for the second time this year, further delaying a delicate forestry operation aimed at triggering new growth ...
Environment
Oct 24, 2018
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The Mariposa Grove of Giant Sequoias, at the heart of California's Yosemite National Park, is home to 500 of the towering trees—many at least 2,000 years old, having sprouted around the time of Jesus Christ.
Environment
Jun 30, 2018
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Todd Dawson's field equipment always includes ropes and ascenders, which he and his team use to climb hundreds of feet into the canopies of the world's largest trees, California's redwoods.
Hi Tech & Innovation
Dec 8, 2016
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36
At the foot of a giant sequoia in California's Sierra Nevada, two arborists stepped into harnesses then inched up ropes more than 20 stories into the dizzying canopy of a tree that survived thousands of years, enduring drought, ...
Environment
Jul 20, 2016
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58
Hundreds of feet above the ground, atop a giant sequoia tree, as many as 2 billion leaves vie for resources. Twigs teem with leaves growing long and splayed or short and tight, depending on their placement in the crown. Leaves ...
Environment
Jun 15, 2016
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331
Giant Sequoias growing in California's Sierra Nevada are among the largest and oldest living things on earth, but scientists climbing high up into their green canopies say they are seeing symptoms of stress caused by the ...
Environment
Sep 24, 2015
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Wildfires sweeping through California are threatening an ancient grove of giant Sequoia trees considered a national treasure, officials said Tuesday.
Environment
Sep 15, 2015
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Californian authorities said Tuesday they have issued more than 13,000 evacuation orders near Yosemite National Park due to a wildfire encroaching on the US tourist attraction.
Environment
Aug 19, 2014
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Horticulturists recently announced that they had successfully cloned a genetic replica of an ailing 130-year-old giant sequoia planted by conservationist John Muir in the 1880s on his ranch in Martinez, Calif.
Biotechnology
Nov 12, 2013
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0
The giant wildfire burning at the edge of Yosemite National Park is 30 percent contained, U.S. fire officials said Wednesday
Environment
Aug 28, 2013
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