The Benefits of Greening a City

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The Benefits of Greening a City

Sustainable development is a major world issue in recent development.

Its main idea is to meet the needs of present without compromising the

ability of future generations to meet their own needs, greening of

cities is a very distinctive practice of this idea.

Practical measures include planting tress along road side, increase

the greening area of the city like increase the number and area of

urban parks and perhaps country park too; setting law to restrict

environmental degradation such as the release of air pollution by

cars, factories, also the treatment of solid and liquid waste before

discharge.

Having low cost for maintenance and replacing new things is one of the

most obvious benefits of greening a city. Due to the increase in

vegetation, the air pollutants such as sulphur dioxide and nitrogen

dioxide of the city decreases, the formation of acid rain decrease,

destruction by acid rain and acidic rain to buildings and roads that

made of concrete decreases.

Having a clean city can reduce other negative impacts of pollutions.

In city with prolong high air pollution index, high medical cost

always need to spend on huge number of patients suffer from

respiratory disease such as asthma, lung cancer. Water pollutant

released by factories will pollute sources of water, poison our

drinking water and contaminate our food, medical cost also needed to

be spent on food poisoning patients.

Efficient use of energy is another benefit. In the greening policy, to

minimize unnecessary less use of energy is encouraged, this in turn

reduce the burning of fossil fuels and the cost of purchasing it.

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...e purpose of greening in Hong Kong.

However, the economic growth is very important in the development of

Hong Kong. The environment measures will increase the production cost

of some of the industrial activities as the treatment such as

electrical precipitator and filters are costly. The treatment of

sewage in sewage treatment plant involve large piece of land and high

building and running cost. With the increasing competitiveness of

other places mainland in mainland, the companies in Hong Kong do not

want to increase their production cost, otherwise they market size

maybe reduced.

The increase in size of urban and country parks may lead to intense

land use competition as urban land developers would like to turn it to

urban land use such as commercial offices or high class residential

properties to learn money.

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