Water_Pollution水污染英.pptx

Water Pollution,Made by: The Sun,Water Pollution introduction,Water 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 compounds. Water pollution 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 than 14,000 people daily.,All about Water pollution,2.influence,3.solution,1.Cause,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 about what should we do to solve this problem ,we should first know what cause the problem.,Cause,1.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,2. 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.,BACK,Water Pollution distribution,Water pollution is one of the most serious problems that mankind faces today. 1.For business or industry, it affects products quality , increased 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.,Influence,Discharging sewage into water,Water hyacinth,水葫芦,Red tide,reasons of form red tide Water eutrophication Meteorological and hydrological and physical and chemical properties of the sea Damages of red tide Damage Harm to human s health Destruction of Marine fishery resources and aquatic products Harm to human health,The garbage in water,Back,What can We Do ?,Water Pollution,Stop Pollution,Environmental Protection,Water Conservation,Everyone wants to reduce pollution. But the pollution problem is as complicated as it is serious. What should we do to solve this problem Gradually?,Solution,For government,1To 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 sources 4.To strengthen the planning and management of water resources 5.To control the agricultural non-point source pollution （控制农业面源污染）,For Business,To reduce water consumption(减少耗水量) To buy equipment of sewage treatment (买污水处理设备) Dont discharge sewage into water. (不要乱排污水) 4. To estiblish the water recycling system,For individual,1 .Dont use cleaner conclude Pollution. 2. Dont throw the garbage into the river or sea. 3.Tell the person around you to protect the water,Legislation: Just like the new Traffic Laws acted in 2013; Strengthen the punishment of the enterprises or individuals who have polluted.,Water Pollution Stop Pollution,Wastewater treatment: Any discharge of waste water into any water body must comply with the regulations and standards of the State for radioactive protection.,Water Pollution Stop Pollution,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 when raining. 4. Do not play water for fun. 5. Choose the equipment labeled water saving. 6. Reduce the times having bath.,Water Pollution Water Conservation,Water Pollution Water Conservation,Water Pollution Water Conservation,World Water Day has been observed on 22 March since 1993 when the United Nations General Assembly declared 22 March as World Day for Water,Water Pollution World Water Day,Themes of water day by years 2012: Water and Food Security: The World is Thirsty Because We are Hungry 水与粮食安全 2011: Water for cities: responding to the urban challenge“城市用水：应对都市化挑战” 2010: Clean Water for a Healthy World保障清洁水源，创造健康世界 2009: Trans Waters Share water, share opportunities跨界水共享的水、共享的机遇 2008: Sanitation涉水卫生 2007: Coping With Water Scarcit