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: When more land is used for '''food production''' it must be taken from natural [[habitat]]s so involves [[Habitat Destruction|habitat destruction]] such as [[deforestation]].
: During '''food production''' in many locations [[fertiliser]]s are used which may be harmful to nearby [[habitat]]s. When [[nitrate]] [[fertiliser]]s are used they can be washed, by the rain, into local streams and rivers causing [[eutrophication]].
: '''Food production''' may also use [[pesticide]]s which include [[herbicide]]s which kill unwanted [[plant]]s and [[pesticideinsecticide]]s which kill unwanted [[animalinsect]]s. This further damages the local [[ecosystem]]s.