Energy from Earth's Core: Geothermal Energy
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7.0 |
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Energy from Living Things: Biomass Energy
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6.8 |
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Energy from Nuclear Fission: Splitting the Atom
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7.0 |
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Energy from the Sun: Solar Power
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7.0 |
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Energy from Water: Hydroelectric, Tidal, and Wave Power
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6.6 |
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Energy from Wind: Wind Farming
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6.6 |
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Energy in Crisis
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7.1 |
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Environmental Activist
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7.3 |
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Environmental Disaster Alert!
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8.2 |
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Environmental Engineering and the Science of Sustainability
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7.3 |
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Environmental Journalism
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7.7 |
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Environmental Scientists in Action
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Evaluating Arguments About the Environment
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7.4 |
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Everglades National Park
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4.2 |
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Extinction!
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5.1 |
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Forests Inside Out
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6.4 |
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Fossils: Clues to ancient life
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7.2 |
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Fracking: Fracturing Rock to Reach Oil and Gas Underground
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6.9 |
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Frozen Extremes
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Garbage or Recycling?
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Generating Wind Power
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7.2 |
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Geothermal Energy: Using Earth's Furnace
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7.1 |
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Global Climate Change
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Go Green! Lead the Way
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4.5 |
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