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Reproducing or republishing an article, in whole or in part, in any other forum requires permission of the author or the moderator. Much of Europe has a greater population density. In terms of large countries, India and China have much higher population densities. Even if this land were to be cultivated, there is the corresponding damage that occurs to the environment due to agricultural runoff. In other areas, the cultivated land is located on floodplains and wetlands.