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**Housing **

Population in the UK has increased by 7% since 1971 and this rate of growth is predicted to continue, giving a population of 52.5 million in England by 2021. The number of households has risen by 30% since 1971. Most of this increase is because more people live alone - some 7 million of the UK's population. New single-person households account for 70% of the increased demand for housing. This is due to people leaving home to rent or buy younger than previously, marrying later, getting divorced and living longer. A third of single-person households are aged over 65.

The government target is to build 240,000 new houses every year by 2016 so that house prices do not spiral out of control as a result of a shortage. Many of these new homes will be built throughout existing towns and cities, with a target of 60% to be built on brownfield sites - areas that have been previously built on, usually in the inner city. However, some housing will inevitably be built on greenfield sites - areas that have not previously been built on, usually on the edge of the city. **__Traffic __**

As we demand greater mobility and accessibility with flexibility, the number of cars has increased, as has the problem of traffic congestion. More people have more money and welcome the door-to-door service that comes with having a car. Man households (27% in 2002) have more than one car, while 45% have one car. Some of the environmental problems are: Strategies designed to reduce the use of cars in cities:
 * standing traffic and congestion
 * air and noise pollution
 * an adverse impact on buildings and environmental quality generally
 * buildings discoloured
 * encouraging cycling
 * making public transport more attractive
 * <span style="line-height: normal; margin: 0cm 0cm 10pt; mso-list: l1 level1 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto; tab-stops: list 36.0pt;"><span style="font-family: 'Times New Roman','serif'; font-size: 12pt;">introducing park-and-ride schemes (York)
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