More than a third of all tree species worldwide face extinction, threatening ecosystems, plants, animals and economies around the world, experts warned Monday. In all, 38% of trees are at risk ...

The world's oldest living tree is "Methuselah." The tree's exact age is unknown, but experts believe it has been alive for close to 5,000 years, the U.S. Forest Service told USA TODAY in an email.

Methuselah Tree, The World's Oldest Tree, Is 4,855 Years Old — And Still Alive in The White Mountains of California Humans may desire immortality, but it is trees that are garnering more success ...

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And, he adds, “it’s getting worse and worse, every year.” Trees in the St. Louis region — like elsewhere — have been under siege from a combination of recent threats.