Whitebark Pines: Endangered Trees

http://www.onearth.org Whitebark pine trees are in trouble. Growing in the Western mountains, these important trees provide habitat for small animals and food for grizzly bears. But global warming has driven the mountain pine beetle, a pest that attacks and kills the trees, into the areas where the whitebark's habitat. If measures aren't taken to combat global warming, iconic landscapes and entire ecosystems could be dramatically transformed.

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Tags:

• whitebark pine
• global warming
• mountain pine beetle
• grizzly bear
• Yellowstone National Park
• climate change
• endangered species
• trees
• mountains
• Yellowstone
• Montana
• Wyoming
• Rocky Mountains