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"Man's effect on the environment".

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Introduction

"Man's effect on the environment" Man affects the world and its environment in many different ways. Over fishing, Global warming, pesticides and pollution are some. All our cars, trains, factories, planes and power station contribute to global warming. We release harmful gasses into the atmosphere everyday. Some of these are Carbon dioxide, CFCs, Nitrous oxide and Methane. Gas % Estimated contribution Main sources Carbon dioxide 55 Burning fossil fuels Methane 15 Decay of organic matter CFCs 24 Fridges and air conditioners Nitrous oxides 6 Fertilisers and fossil fuels Cars are the main source of air pollution. There are around 40million cars in the UK at any one time. This contributes to 55% of harmful gasses released. Other harmful gasses such as CFCs (Chlorofluorocarbons), which are released from aerosol cans, are dispersed into the atmosphere. Large amounts of ultraviolet light break CFC molecules down. This releases Chlorine that in turn breaks up the ozone molecules; this creates week areas of ozon such as above both north and south poles. ...read more.

Middle

All dumped in landfills and under the ground or in the depths of the ocean. This can have a terrible affect on the environment. Toxic waste from factories and chemical producing plants finds its way into the environment. This waste kills wildlife and causes mutations in fish and young of animals living near. Fly tipping of any sort of waste toxic or just normal rubbish is illegal in England but is difficult to stop. Cans, bottles and some plastic can be recycled and reused but some plastics and metals cannot. We need to stop producing these non-recyclable materials. Once this is done we will not need landfill sites, fly tipping will not be an issue because everything will be able to be recycled. Toxic waste needs to be stopped being dumped illegally in to the ocean. The cans are often not properly sealed and leaks often occur. Toxic waste needs to be properly contained and a way to dispose of it safely needs to be found. ...read more.

Conclusion

More must be done to preserve the forests. Once trees are cut down the once rich soil soon becomes dry and arid, this ten leads to soil erosion therefore the soil is useless for farming. More needs to be done to encourage LEDCs to replant areas of rainforest they have cut down. For every tree that is cut down 2 more need to be planted this way the rainforests will be able to support all the animals that live there. With rain forests being cut down and the world polluted animals start to loose their home, this is where organisations like WWF, Greenpeace, SOS and zoos like London step in to help. Both these help to prevent endangered species becoming extinct. The zoos have breeding programs and try to release animals back into the wild all this is to try and help re-establish animal and plant populations endangered by man and our wrong doings. It is only now that organisations and World summits start to talk about how we as a race are affecting the planet we take for granted. If we don't start to recycle, preserve and think now there will soon be nothing left on Earth. ...read more.

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