版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、123All about Water pollution2.influence3.solution1.Cause4 Nowadays, water pollution is deteriorating. Rivers, lakes and even oceans all over the world are becoming polluted by garbage and dangerous chemicals. Oil and other Chemicals can kill fish and make water unsafe for drinking. Before we think a
2、bout what should we do to solve this problem ,we should first know what cause the problem. Cause51.Natural pollution Due to the dissolution of geological, atmospheric precipitation leaching, erosion on the ground, mix the various pollutants into the water 因地质的溶解作用,降水对大气的淋洗、对地面的冲刷,挟带各种污染物流入水体而形 成62.
3、Man-made pollution industrial wastewater (工业废水) Daily life sewage (生活污水) Pesticide and fertilizer pollution (农业化肥污染)These do damage to the quality of water.BACK78 Water pollution is one of the most serious problems that mankind faces today.1.For business or industry, it affects products quality , in
4、creased corrosion of products, and so on.2.For individual, it does damage to the humans healthy.There are many influence that we cant describe them by words. So I will show you some pictures. Influence910Discharging sewage into water11Water hyacinth水葫芦12 Red tide reasons of form red tideWater eutrop
5、hicationMeteorological and hydrological and physical and chemical properties of the sea Damages of red tideDamage Harm to human s healthDestruction of Marine fishery resources and aquatic productsHarm to human health13The garbage in water14Back1516 Everyone wants to reduce pollution. But the polluti
6、on problem is as complicated as it is serious. What should we do to solve this problem Gradually?Solution17For government1To establish the urban sewage treatment system (城市污水处理系统的建立 )2 To restructur the Industrial(调整产业结构)3.To develop the new water sources4.To strengthen the planning and management o
7、f water resources5.To control the agricultural non-point source pollution (控制农业面源污染) 18For Business To reduce water consumption(减少耗水减少耗水量量) To buy equipment of sewage treatment (买污水处理设备买污水处理设备) Dont discharge sewage into water. (不要乱排污水不要乱排污水)4. To estiblish the water recycling system19For individual1 .Dont use cleaner conclude Pollution.2. Dont throw the garbage into the river or sea.3.Tell the person around you to protect the water202122232425 26 27If everyone can
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 家庭蔬菜配送合同协议书
- 中班幼儿阅读实施方案
- 公司农户养猪合同模板
- 学校购买课桌合同范本
- 养生师合同模板
- 厂房大院租赁合同模板
- 外包保密合同模板
- 兼职合同模板简易
- 国外配件合同模板
- 客运电梯出售合同协议书
- 电信营业厅运营方案策划(2篇)
- 机器设备评估 第2版 课件 项目八 成本法评估机器设备
- 天津中考高频词汇英语300个
- 叉车设计计算说明书
- 手术切口感染PDCA案例
- 《光伏发电工程预可行性研究报告编制规程》(NB/T32044-2018)中文版
- 2023年全国行业职业技能竞赛大赛养老护理员职业竞赛项目参考赛题库
- 汉语国际教育专业实习报告
- 稳定型心绞痛患者的护理-讲解
- 2024年泰州市姜堰区金姜城酒店管理有限公司社会招聘笔试参考题库附带答案详解
- 家庭教育指导课题研究报告
评论
0/150
提交评论