环保英文-课件

Caring for Our Earth Water protectionWe all know that water is very important in our life.All kinds of beautiful waterWater scarcity and pollution has become one of the most important things in recent years.In this chapter well discuss both fresh water and wastewater treatment,either for reuse or disposal in the environment without polluting it.DroughtPollutionN O WApproximately 300 million nationwide have no access to clean water.Furthermore,over 700 million Chinese drink fetid water below World Health Organization standards.Almost 90%of underground water in cities are affected by pollution and 80%of Chinas rivers fail to meet standards for fishing.Almost all of the nations rivers are considered polluted to some degree,and half of the population lacks access to clean drinking water.Ninety percent of urban water bodies are severely polluted.Water pollutionmanage water pollution Take action now!Air pollutionWhat caused the air pollution?1.natureSandstorms and the dust and gases from volcanoes pollute the earths atmosphere naturally.What caused the air pollution?2.peopleThe most serious kind of air pollution comes from people.Factories,power stations,and vehicles exhausts pump harmful gases into the air,contributing to global warming,causing acid rain,and destroying the ozone layer.The pollution in citiesSmoking cigarettes Some important point about air pollution1.Air pollution index.(API)2.Particulate matter(PM2.5)Air pollution index is a group of numbers which show how serious the air pollution is.A kind of statistics about the diameter of matters we can breathe in.The most important element of the air pollution1.carbon dioxide(CO2)2.carbon monoxide(CO)3.suldur dioxide(SO2)4.What is the reaction of our countries over the world?Kyoto Protocol!Kyoto-success or failure?Kyoto should be viewed as a stepping stone to more drastic action.And that action is required now.Lets care for our homeThese views may be just memories Long long ago,our mother earth is an amazing planet with deep blue water and sky.There are kinds of wild animals which had a happy life at the sake of god.Is it a curse for us?Bring them back to our life!What do you think of it?Arent we grieved?uWater pollutionudroughtsgreat financial lossesArent we dangerous?Automobile exhaustIdustrial waste gas Incinerted gasWHAT DO YOU THINK OF IT?The lose caused by pollution occupy 3.05%of all GDP.Reasons of death比例Malignant tumor(恶性肿瘤）27.63%cerebrovascular disease（脑血管病）21.33%Heart disease (心脏病)20.43%respiratory illness(呼吸系统疾病)10.10%Injury and poisoning(损伤及中毒)5.11%Endocrine nutrition and metabolic disease(内分泌营养和代谢疾病)3.55%digestive system disease(消化系统疾病)2.67%Urogenital Disease(泌尿生殖系统疾病)1.88%nervous system disease(神经系统疾病）1.14%mental disorders（精神障碍）1.12%How to solve them?Air pollutionTo deal with water pollution:Polluted water must be treated before it was discharged.Save water as much as we can.Tips to save water-Instead of buying water bottles,buy a re-usable water bottle and fill it with tap water.Cut your shower time by 1 minute.It can save you up to 150 gallons of water a month.Caring for Our Earth Water protectionWe all know that water is very important in our life.All kinds of beautiful waterWater scarcity and pollution has become one of the most important things in recent years.In this chapter well discuss both fresh water and wastewater treatment,either for reuse or disposal in the environment without polluting it.DroughtPollutionN O WApproximately 300 million nationwide have no access to clean water.Furthermore,over 700 million Chinese drink fetid water below World Health Organization standards.Almost 90%of underground water in cities are affected by pollution and 80%of Chinas rivers fail to meet standards for fishing.Almost all of the nations rivers are considered polluted to some degree,and half of the population lacks access to clean drinking water.Ninety percent of urban water bodies are severely polluted.Water pollutionmanage water pollution Take action now!Air pollutionWhat caused the air pollution?1.natureSandstorms and the dust and gases from volcanoes pollute the earths atmosphere naturally.What caused the air pollution?2.peopleThe most serious kind of air pollution comes from people.Factories,power stations,and vehicles exhausts pump harmful gases into the air,contributing to global warming,causing acid rain,and destroying the ozone layer.The pollution in citiesSmoking cigarettes Some important point about air pollution1.Air pollution index.(API)2.Particulate matter(PM2.5)Air pollution index is a group of numbers which show how serious the air pollution is.A kind of statistics about the diameter of matters we can breathe in.The most important element of the air pollution1.carbon dioxide(CO2)2.carbon monoxide(CO)3.suldur dioxide(SO2)4.What is the reaction of our countries over the world?Kyoto Protocol!Kyoto-success or failure?Kyoto should be viewed as a stepping stone to more drastic action.And that action is required now.Lets care for our homeThese views may be just memories Long long ago,our mother earth is an amazing planet with deep blue water and sky.There are kinds of wild animals which had a happy life at the sake of god.Is it a curse for us?Bring them back to our life!What do you think of it?Arent we grieved?uWater pollutionudroughtsgreat financial lossesArent we dangerous?Automobile exhaustIdustrial waste gas Incinerted gasWHAT DO YOU THINK OF IT?The lose caused by pollution occupy 3.05%of all GDP.Reasons of death比例Malignant tumor(恶性肿瘤）27.63%cerebrovascular disease（脑血管病）21.33%Heart disease (心脏病)20.43%respiratory illness(呼吸系统疾病)10.10%Injury and poisoning(损伤及中毒)5.11%Endocrine nutrition and metabolic disease(内分泌营养和代谢疾病)3.55%digestive system disease(消化系统疾病)2.67%Urogenital Disease(泌尿生殖系统疾病)1.88%nervous system disease(神经系统疾病）1.14%mental disorders（精神障碍）1.12%How to solve them?Air pollutionTo deal with water pollution:Polluted water must be treated before it was discharged.Save water as much as we can.