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1.
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Curse of the Lost Rhoades Mine
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2.
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Taming the Wilds
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3.
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4.
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Ecological Footprints
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5.
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6.
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7.
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8.
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Life from the Earth
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9.
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The Food We Grow and the Animals We Raise....
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10.
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Effects of Global Warming
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11.
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Ice Ages and Glacial Retreat
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12.
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13.
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Interactive Forces of Global Warming
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14.
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The Future of Air Quality
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15.
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16.
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17.
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18.
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19.
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Curse of the Lost Rhoades Mine
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20.
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