Stress Testing Giant Sequoias – The World’s Biggest Trees

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California’s giant sequoia trees are showing signs of extreme strese to the state’s ongoing drought.

washingtonpost.com

To save Earth’s oldest trees, Anthony Ambrose and his team of researchers climb several hundred feet into the canopy, braving life and limb in the name of conservation.

Patches of brown, dead foliage are appearing more than in past years, say researchers studying the iconic trees.

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Some living more than 3,000 years, giant sequoias grow to nearly 300 feet tall. There are other trees that live longer and some that grow taller, but researchers say the giant sequoias are unique for their size and longevity.

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