Water and Atmosphere: The Lifeblood of Natural Systems
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Forests: More Than Just Trees (Natural Resources)
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Lands: Taming the Wilds (Natural Resources)
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Climate Systems
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Greenhouse Gases: Worldwide Impacts
$6.89
Fossil Fuels and Pollution: The Future of Air Quality
$18.19
Energy: Powering the Past, Present, and Future (Natural Resources)
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Agriculture: The Food We Grow and Animals We Raise (Natural Resources)
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Climate Management: Solving the Problem
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Plants: Life from the Earth (Natural Resources)
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Minerals: Gifts from the Earth (Natural Resources)
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Animals: Creatures That Roam the Planet (Natural Resources)
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Global Warming Trends: Ecological Footprints
$6.29
The Snow Eagle: Escape Through the Kayawati
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The Snow Eagle: Quest for the Shattered Orb: A Trilogy: Part 3
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The Haunting: Curse of the Lost Rhodes Mine
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Global Warming Cycles: Ice Ages and Glacial Retreat
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Changing Ecosystems: Effects of Global Warming
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