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Giant Sequoia Trees
General Sherman
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Why Are The Parks Unique?

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  Giant Sequoia Trees


  Air Pollution: A Major Threat

  Research Shows Damage

  The Challenge

Breathtaking Vistas


Air Quality Tour

Life abounds within these parks. Sequoia and Kings Canyon National Parks protect about three-quarters of the Earth's giant sequoias, the world's largest living trees. The largest of these Big Trees, the General Sherman Tree, has been growing here for at least 2200 years. With an astounding 52,500 cubic foot (1400 cubic meter) volume, a 274.9 foot (83.8 meter) height, and a 102.6 foot (31.3 meter) diameter, the General Sherman Tree reigns as the largest living tree on Earth ... and it is still growing!

Today only 75 groves survive, all located in a narrow belt along the Sierra's western slope. Sequoia and Kings Canyon National Parks contain nearly half of these groves and all five of the world's largest living giant sequoias.  
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