With the development of economy, more and more high buildings are being built in large and medium-sized cities across the country. In urbanization, however, one thing should not be neglected---environmental protection. It is unscientific to judge a city”s modernization level by the number of high buildings. Recently, a new concept “environmental image” has come into being and become an important criterion with which to evaluate a city.
The concept stresses that a modern city must have efficient environmental promotion. It must have a proper proportion of green land, clean water and fresh air. To add more greenery to a city, I would like to make the following proposals:
1. We should popularize “vertical greenery” technique, that is, to plant more green-leaved plants like Boston ivy in densely-located buildings. The roof space of buildings should be used fully to plant flowers, fruits and grasses.
2. Certain room should be reserved for green belts, green patches in the building of new residential districts and the reconstruction of urban areas.
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3. Measures should be taken to strengthen people”s awareness of greenery. People should, for example, be encouraged to plant “wedding trees” and “birthday trees”.
