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Keystone XL Pipeline Will Cause Damage Beyond Spills (Op-Ed)Opinion Does the Keystone XL pipeline have environmental impacts beyond the risk of spills?
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Cells Get Stressed, TooEnvironmental stressors can turn on cells' genes when they're supposed to be off.
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Trio of yellow, blue and green lakes in Ethiopia stuns in striking satellite imageAll three lakes used to be part of the same ancient body of water.
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Wet Climate May Have Fueled Mongol InvasionAbundant grasslands could have fueled Genghis Khan's armies.
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What is biology?Reference Broadly speaking, biology is the study of life.
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The meaning of colors: How 8 colors became symbolicReference How can red mean love AND war? Why is purple royal? Life's Little Mysteries answers these questions and more.
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Greenhouse gases: Causes, sources and environmental effectsGreenhouse gases are atmospheric gases that absorb infrared radiation and trap heat in the atmosphere. Increases in emissions of these gases are leading to climate change and global warming.
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Could the Sahara ever be green again?The Sahara was once a grass and shrub-covered steppe. Could this ever happen again?
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Best Recycling BinsGo green by recycling glass, metal, paper, and plastic. These bins will hold your recyclables until collection day.
