The Impact of Human Activities on the Environment

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The impact of human activities on the environment Everything that humans do has some impact on the environment. Pollution is a result of human activities in the environment. The main sources of pollution are farming, water pollution and air pollution. Farming is having an increased impact on the environment. This is because there is increased pressure on farmers to produce a single crop and to concentrate on one form of animal husbandry, such as, dairy cattle or pig breeding. This is more economical because better use can be made of equipment and organizations such as supermarkets have fewer farmers to negotiate purchases with. Also transport is much easier so produce can be easily moved to more distant markets. Monocultures are produced from this, which are large areas of the same crop grown on the same land year after year. To improve efficiency hedges have been removed and this has reduced the amount of habitat available for wildlife. It has also increased soil erosion. The removal of hedges increases the area of land available for crops, destroys the habitat of predators and keeps the number of pests down. Humans have slowly realized that the care of the environment is a problem which must be faced if the human race is to exist in its current state. We do not, however do enough to repair and care for the world and it is due to this, and our past neglect which is causing global warming acid rain and depletion of resources. Acid rain is the result of sulphur dioxide and nitrous oxide emissions. Acid rain occurs when these acids, produced by cars and factories (Fossil fuels like oil and coal also contain small amounts of sulphur. When these are burnt, sulphur dioxide is emitted into the air), are released into the atmosphere, they combine with rainwater to produce dilute solutions of acids such as sulphuric, sulphurous and nitric acids .These acids

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