Impacts of Vehicles on Global Warming and Human Health

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Having a car has become an essential part of many people’s life. It offers flexibility to their life and work, and also provides ready access to a variety of services and leisure options. However, a range of problems have been identified and need to be addressed. The problems associated with frequent car use are becoming increasingly familiar to the general public. The widespread use of cars has real environmental cost. Vehicles are major source of urban air pollution and greenhouse gas emissions. It is reported that road traffic is the source of one third of all harmful air pollution in the world. Car exhaust contributes to acid rain, carbon dioxide and lead, which cause global warming and damage human health. Traffic jam is another problem. As more and more people drive to work rather than walk, cycle or take public transport, there are heavy traffic jams almost every day at rush hours. The most serious problem, however, is safety. Car accident cause huge numbers of casualties every year. To solve these problems, some people suggest that the government should impose a strict restriction on the use of cars, but I do not think this is the best solution, because this would lead to reduced mobility for people and a decline in the car industry. I think the best solution would be for car manufacturers to design more environmentally friendly cars, which run on solar power or hydrogen. Also, traffic problems can be alleviated by building more underground tunnels and parking garages, and safe problems can be avoided by educating drivers as well as pedestrians to use greater caution on the road. So, in conclusion, I think that while discouraging the car use might seem a quick solution to many problems currently facing the society, it is most unlikely to be permanent cure.
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