Water_Pollution水污染英文PPT.

1、Made by: The SunWaiter PeffotiienWater pollution is the contamination of water bodies (e.g lakes， rivers oceans, aquifers and groundwater).Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compoundsWater pollut

2、ion is a major global problem which requires ongoing evaluation and revision of water resource policy at all levels (international down to individual aquifers and wells). It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more

3、than 14,000 people dailyAll about Water pollutionCauseifoNowadays, 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 fe for drinking.think about what should

4、 we do to solve this problem ,we should first know ausenDToblem-1 Natural pollutionDue 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2. Man-made pollution1. industrial was

5、tewater （ I：业废水）2. Daily life sewage （生活污水）3. Pesticide and fertilizer pollution（农业化肥污染）BACKThese do damage to the quality of water.WaiterTabic 2. Watci iixvcntory.ReservoirVohune (cubic kmx 1.000.000)Percent of TotalOceans1.37097.25Icc Caps and Glaciers292.05Groundwater9.50.6SLake0.1250.01Soil Mois

6、ture0.0650.005Atmosphere0.0130.001Streams and Rivers0.00170.0001Biosphere0.00060.00004InfluenceWater pollution is one of the most serious problems that mankind faces today.1. For business or industry, it affects products9 quality , increased corrosion of products, and so on.2. For individual, it doe

7、s damage to the human's healthy.There are many influence that we can't describe them by words. So I willshow you some pictures.Discharging sewage into waterWater hyacinth水葫芦Red tidereasons of form red tideWater eutrophicationMeteorological and hydrological and physical and chemical propertie

8、s of the seaDamages of red tideDamage Harm to human fs healthDestruction of Marine fishery resources and aquatic productsHarm to human healthBackWaer Peffeiienwd血就庇航通住訓GCT2W& ID© 窘酗歸谑&ffi)g®GW3(n)SolutionEveryone wants to reduce pollution.But the pollution problem is as complicated

9、 as it is serious.What should we do to solve this problem Gradually?17b establish the urban sewage treatment system （城币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 of water resources5. To control the agricultural non

10、point source pollution（控制农业面源污染）For Busin ess1. To reduce water con sumption（减少耗水 量）2. To buy equipment of sewage treatment（买污水处理设备）3. Don't discharge sewage into water.（不要乱排污水）To estiblish the water recycling system-or individual M *、吕 4 1« I% MBI I I !1 .Don't use cleaner conclude Pol

11、lution.2. Don't throw the garbage into the river or sea.3. Tell the person around you to protect the waterWaiteriPonnoLegislati on:Just like the new Traffic Laws acted in 2013;Strengthen the punishment of the enterprises or individuals who have polluted.Wcitier PefftfiienWastewater treatment:Any

12、 discharge of waste water into any water body must comply with the regulations and standards of the State for radioactive protection.Save Water and Reduce the Waste of Water:1. Turn off the water tap when you leave.2. Washing clothes manually instead of washing machine.3. Collect the rainning water

13、when raining.4. Do not play water for fun.5 Choose the equipment labeled 'water saving'.6. Reduce the times having bath.Weiher PeffotiieHWorld Water Dayhas beenobserved on 22March since 1993when the UnitedNations GeneralAssemblydeclared 22March as WorldDay for WaterThemes of water day by years2012：ood Security - T;ie World riiir styBecause We are Hungry水与粮食安全2011:challenge “城市用水：应对都市化挑战”2010:创造健康世界2009: Trans Waters Share water, share opportunities