The project transfers clean water from the south of China to the industrial north of China and it produces 330,000 metres cubed per day, however it costs a lot of money and human resources. Furthermore the project will cause great harm on nature, because it stops the natural water flow.
Hong Kong Congestion
Control of the cars flow is a beneficial way to solve the problem of traffic congestion in Hong Kong, because it is convenient to carry out by just using different coloured traffic lights. Moreover this solution is cost effective so the lights can be installed across the city. Unfortunately it may not be suitable to solve congestion in every city because in some cities the roads are too narrow to install the lights.
London Congestion Charge
London charges helps reduce the number of cars entering the city, which is a benefit for the environment, due to the reduction of carbon emissions and therefore people who live and work in central London can enjoy cleaner air. In contrast the scheme has negative consequences such as loss of business for shops in the central area, which had more customers before the scheme.
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