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.
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All about Water pollution
1.Cause 2.influence
3.solution
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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.
• Damage Harm to human 's health
• Destruction of Marine fishery resources and aquatic products
• Harm to human health
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The garbage in water
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Back
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Water Pollution
Water Pollution
Made by: The Sun
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Water Pollution
introduction
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater).
water.
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ห้องสมุดไป่ตู้
Water Pollution
distribution
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Influence
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 human’s healthy.
Red tide
• reasons of form red tide
• Water eutrophication • Meteorological and
hydrological and physical and chemical properties of the sea
• Damages of red tide
There are many influence that we can’t describe them by words. So I will
show you some pictures.
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Discharging sewage into water
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Water hyacinth
水葫芦
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Stop Pollution
Environmental
Protection
What can
We Do ?
Water Conservation
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Solution
Everyone wants to reduce pollution. But the pollution problem is as complicated as it is serious.
Before we think about what should we do to solve this problem ,we should first know
what cause the problem.
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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
What should we do to solve this problem Gradually?
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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）
Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds.
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2. Man-made pollution
1. industrial wastewater (工业废水) 2. Daily life sewage (生活污水) 3. Pesticide and fertilizer pollution
（农业化肥污染）
These do damage to the quality of