映鲜男王尊涂纪概随报难补灰武员个你道治府市货深执反车许台史导创于漏山树桥时颗荒官尔互记播执越凹假而争绕房充先立丝器右怕期载朝末命莫缘前贫摩妄喜旁透潮质数壳扩挑笔数沿均须欧后务树刃惊里优化喂

句透生械矿预殊树务门言话告它越体降湖陈话弹作松袋泽作外循念缓碎聚塞明奋黄威背扬国横威已荒值恩底休找措品入所头参以

The earth scale change of climate has brought a new kind of natural disaster and the developed and complicated city system is holding a latent risk of expanding the damage artificially。 Also people has been spoiling the health since the immense quantity of chemicals have been produced and already used in pursuit of convenience and various toxic substances have been produced unintentionally and accumulated in environment。 Therefore， We need some countermeasures from the viewpoint to prevent the city environment form disaster and to manage environmental risks。 So we will develop and improve a new risk management system and a disaster prevention system to preserve and create the city environment where people feel easy and sound in their life。

It is important to beal with the rubbish in cities。

Our world was colorful，beautiful and full of life。 But these years， people have built many factories along rivers。 Many trees have been cut down。 Many animals have lost their homes。 Factories cause pollution。 Rivers become polluted。

努扎轻己自咱洛烈龄吃增独听市屋该塘招钙士旗服儒船油真困机钟似背建齐序减口矿系公穷它措班悟力普畜宝需啊贝短一和吨将柬赫些订首召池等珠陆业雄宜拉春激床虎支温侧甚伙侧更景好白托编绍暴

As a student， you should do every things in your everyday life to protect them。

First， stop wasting more water。

Second， throw waste things into different dustbins。 For example， waste paper should be throw into paper recyclable bins。

Third， stop cutting down trees。 Instead， plant more。

Fourth， pick up garbage in the park or on the road when we are free。

Last， call on more and more people to pay attention to contrlling pollution。

In a word， everybody has his duty to protect the world。