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All available at: Waves of the Future: Global Warming, Carbon Emission Trading, Non-Renewable Resource, Recycling, Toxic Contaminants, Population Grow..
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Available at: Waves of the Future: Global Warming, Non-Renewable Resource, Renewable Energy, Recycling, Toxic Contaminants, Population Growth...
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See for details: A Structural Strategy for Global Warming, Resource Conservation, Toxic Contaminants
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Both are available at: Waves of the Future: Global Warming, Carbon Emission Trading, Non-Renewable Resource, Renewable Energy...
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