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February 15th, 2004
Environmental degradation is a serious problem with many sources and causes. One of the biggest causes is farming. Greenhouses can greatly reduce water use, land use, runoff, and topsoil loss. Mining is another serious problem. When most structure and function can be built out of carbon and hydrogen by molecular manufacturing, there will be far less use for minerals, and mining operations mostly can be shut down. Manufacturing technologies that pollute can also be scaled back.
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