It's Toad Vs. Fungus In The Marshes Of Wyoming
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Efficiency, Reduced Consumption Should Be Focus
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Renewable Energy Needs Land, Lots Of Land
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Fertilizer is crucial to agricultural production, but its increasing use is leaking nitrous oxide, an ozone-deteriorating gas, into the atmosphere. iStockphoto.com hide caption

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Nitrous Oxide: A Necessary Evil Of Agriculture
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A hiker takes in a view of rock formations at Utah's Zion National Park that rise more than 3,000 feet above the canyon floor. Courtesy of Zion National Park hide caption

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Walking Through History At Zion National Park
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Big Dreams For Small Wind Turbines
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Scalding A Quarter-Mile In An Electric Ford Pinto
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Polluted Kansas Town Seeks Federal Buyout
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Problems Plague Hudson Cleanup
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Clunker Program's Environmental Merits Questioned
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For Early Man, It Wasn't Easier Being Green
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The perfume from an Australian king spider orchid attracts several male wasps. Christian Ziegler/National Geographic hide caption

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Orchids: 'Inflatable Love Dolls Of The Floral Kingdom'
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Sizing Up Sustainable Food
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What's On The Horizon For Hurricane Season?
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Colonies of the transformed mycoplasma mycoides bacterium. J. Craig/Venter Institute hide caption

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DNA Transplant Transforms Bacteria
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