Water Pollution
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This is a PowerPoint presentation structured for Junior High students between the ages of 12-14 years old. This presentation entails; what is water pollution, causes, effects and methods that can help alleviate the problem.
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Water pollution..!
Water pollution is a major global problem that causes over 14,000 daily deaths. Many developing nations struggle with issues of access to clean water and sanitation. In India, 700 million lack access to toilets and 1,000 children die daily from diarrheal sickness, while in China, 90% of cities suffer water pollution and 500 million lack access to safe drinking water. Developed nations also continue to face pollution challenges. Water pollution comes from a variety of sources including sewage, chemicals from industry and agriculture, microorganisms, excess nutrients, oxygen depletion, and suspended solids. Proper treatment of sewage and wastewater is needed to protect water quality and public health.
Water pollution.pp .
This document discusses water pollution in Trinidad and Tobago. It identifies the main causes of water pollution as human activities like littering, industrial waste, and untreated sewage. It then explains key concepts like the water cycle, point source pollution vs. non-point source pollution, and different types of pollutants from sources like agriculture, factories, and households. The effects of water pollution are outlined as harm to aquatic life and ecosystems. Solutions discussed include environmental laws, education, and preventative measures individuals can take to reduce water pollution.
Water Pollution
The document discusses various topics related to water pollution including:
1. It describes different types of water pollutants like industrial effluents, sewage, agricultural runoff, and their sources.
2. It discusses the effects of pollution including eutrophication, lack of access to clean water leading to diseases, and plastic waste killing marine life.
3. Solutions to water pollution problems require treating industrial and domestic waste before discharge into water bodies.
Water Purification - Part 1
This document discusses water pollution, purification, and disinfection. It outlines various causes and sources of water pollution including sewage, industrial waste, and agricultural runoff. It then describes common waterborne diseases and laws governing water pollution. The document provides details on large and small-scale water purification methods including storage, filtration using slow sand filters and rapid sand filters, and disinfection using chlorination. It concludes with discussing other disinfection methods like ozonation and UV light.
waste water treatment
The document summarizes various waste water treatment processes. It discusses primary treatment which involves removing large solids through screens and sedimentation. Secondary treatment uses biological processes like trickling filters, activated sludge tanks, and lagoons to break down organic matter. Anaerobic digesters are also used. Finally, disinfection through chlorination, UV, or ozonation is discussed to remove pathogens before effluent is discharged or reused.
Water Pollution
Water pollution throughout the world is affecting food chains and food webs. Water such as lakes, rivers, streams, creeks, and oceans become polluted in many different ways. One main way is the dumping of trash, or littering. Many creeks, rivers, and even oceans have been polluted by manmade items such as trash (EPA, 2011). When fresh water such as rivers and creeks become polluted, it hurts the surrounding wildlife.
Water Pollution
This document discusses water pollution and its causes and effects. It defines water pollution as the contamination of water bodies such as lakes, rivers, oceans, and groundwater. Some key causes of water pollution mentioned include dumping garbage in water bodies, chemical runoff from farms and factories, oil spills from ships, thermal pollution from warm water discharge, erosion, and sewage disposal. Effects of water pollution include harm to aquatic animals and plants, contamination of drinking water, and increased water-borne diseases in humans. The document suggests educating the public, implementing environmental laws, and reducing reuse and waste as methods to prevent further water pollution.
Chlorination - Disinfecting agent used in water treatment
This document discusses chlorination as the most important process for disinfecting water. Chlorine is identified as the ideal disinfectant because it provides residual sterilizing effects. The document outlines different chlorination methods including plain, pre, post, double, and break point chlorination. It also discusses dosages of chlorine, advantages of chlorine, and tests to determine chlorine residuals.
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Water pollution..!
Water pollution is a major global problem that causes over 14,000 daily deaths. Many developing nations struggle with issues of access to clean water and sanitation. In India, 700 million lack access to toilets and 1,000 children die daily from diarrheal sickness, while in China, 90% of cities suffer water pollution and 500 million lack access to safe drinking water. Developed nations also continue to face pollution challenges. Water pollution comes from a variety of sources including sewage, chemicals from industry and agriculture, microorganisms, excess nutrients, oxygen depletion, and suspended solids. Proper treatment of sewage and wastewater is needed to protect water quality and public health.
Water pollution.pp .
This document discusses water pollution in Trinidad and Tobago. It identifies the main causes of water pollution as human activities like littering, industrial waste, and untreated sewage. It then explains key concepts like the water cycle, point source pollution vs. non-point source pollution, and different types of pollutants from sources like agriculture, factories, and households. The effects of water pollution are outlined as harm to aquatic life and ecosystems. Solutions discussed include environmental laws, education, and preventative measures individuals can take to reduce water pollution.
Water Pollution
The document discusses various topics related to water pollution including:
1. It describes different types of water pollutants like industrial effluents, sewage, agricultural runoff, and their sources.
2. It discusses the effects of pollution including eutrophication, lack of access to clean water leading to diseases, and plastic waste killing marine life.
3. Solutions to water pollution problems require treating industrial and domestic waste before discharge into water bodies.
Water Purification - Part 1
This document discusses water pollution, purification, and disinfection. It outlines various causes and sources of water pollution including sewage, industrial waste, and agricultural runoff. It then describes common waterborne diseases and laws governing water pollution. The document provides details on large and small-scale water purification methods including storage, filtration using slow sand filters and rapid sand filters, and disinfection using chlorination. It concludes with discussing other disinfection methods like ozonation and UV light.
waste water treatment
The document summarizes various waste water treatment processes. It discusses primary treatment which involves removing large solids through screens and sedimentation. Secondary treatment uses biological processes like trickling filters, activated sludge tanks, and lagoons to break down organic matter. Anaerobic digesters are also used. Finally, disinfection through chlorination, UV, or ozonation is discussed to remove pathogens before effluent is discharged or reused.
Water Pollution
Water pollution throughout the world is affecting food chains and food webs. Water such as lakes, rivers, streams, creeks, and oceans become polluted in many different ways. One main way is the dumping of trash, or littering. Many creeks, rivers, and even oceans have been polluted by manmade items such as trash (EPA, 2011). When fresh water such as rivers and creeks become polluted, it hurts the surrounding wildlife.
Water Pollution
This document discusses water pollution and its causes and effects. It defines water pollution as the contamination of water bodies such as lakes, rivers, oceans, and groundwater. Some key causes of water pollution mentioned include dumping garbage in water bodies, chemical runoff from farms and factories, oil spills from ships, thermal pollution from warm water discharge, erosion, and sewage disposal. Effects of water pollution include harm to aquatic animals and plants, contamination of drinking water, and increased water-borne diseases in humans. The document suggests educating the public, implementing environmental laws, and reducing reuse and waste as methods to prevent further water pollution.
Chlorination - Disinfecting agent used in water treatment
This document discusses chlorination as the most important process for disinfecting water. Chlorine is identified as the ideal disinfectant because it provides residual sterilizing effects. The document outlines different chlorination methods including plain, pre, post, double, and break point chlorination. It also discusses dosages of chlorine, advantages of chlorine, and tests to determine chlorine residuals.
Water Pollution
Water Pollution Water Pollution occurs when energy and other materials are released into the water, contaminating the quality of it for other users
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Water pollution
Water pollution occurs when energy and materials are released into water sources, contaminating the quality of the water for other users. There are two main types of pollution sources: point sources which can be traced to a single location like drain pipes or sewer lines, and nonpoint sources which are more diffuse like agricultural or industrial runoff. Water pollution has negative effects on both the environment and human and animal health, causing diseases, toxic water, and harm or death to many species. Individual actions like turning off running water, proper fertilizer use, and cleanups can help reduce water pollution.
Water pollution
The document discusses water pollution and provides details about various types of water pollutants and their sources. It summarizes that water pollution occurs when foreign materials contaminate water supplies, harming living things. The major types of water pollutants are biological impurities like bacteria, inorganic impurities such as heavy metals, and organic impurities including pesticides. Pollution comes from natural sources like volcanic eruptions and human sources such as sewage, industrial waste, and agricultural runoff. Water pollution harms ecosystems, animal health, and human health by causing diseases and environmental damage. Several major rivers around the world are severely polluted due to waste dumping and lack of treatment, including the Mississippi, Ganges, and Yellow Rivers
Water pollution causes and prevention
This presentation summarizes information about water pollution presented by MD Faridujaman. It defines water pollution as the contamination of the natural environment with harmful substances, often resulting from human activities. Various types of pollution are described, including microbiological, chemical, and those involving oxygen-depleting substances and nutrients. Causes of water pollution from domestic, industrial and agricultural waste are outlined. The effects on both humans and wildlife are explained. Suggestions for preventing further water pollution are provided, such as being mindful of household chemicals and reducing soil erosion. The presentation concludes by emphasizing the importance of conserving this vital natural resource.
Environmental water pollution
This document discusses various types of water pollution including groundwater pollution, chemical pollution, nutrients pollution, urbanization, thermal and oil pollution. It describes how nutrients pollution can lead to algal blooms which reduce oxygen in water harming aquatic life. Urbanization is cited as a source of industrial and sediment pollution. The effects of water pollution on humans and marine life are also examined. Specific health impacts from bacteria, pesticides, lead and fluoride are outlined. The document concludes by suggesting ways to prevent water pollution such as reducing plastic use, treating industrial chemicals, and investing in water purification systems.
WATER POLLUTION
This document discusses water pollution, its causes, types, and effects. It defines water pollution as contamination of water bodies by toxic substances that degrade water quality. Major causes discussed include sewage discharge, industrial waste, agricultural and residential runoff containing nutrients and chemicals. Types addressed are nutrients, surface water, oxygen-depleting, groundwater, microbiological, suspended, and chemical pollution. Effects include aquatic life death, disrupted food chains, increased disease prevalence, and ecosystem destruction. Prevention methods like proper waste disposal and reducing chemical usage are recommended. Wastewater treatment involves screening, primary settling, secondary biological treatment, and final filtration before discharge.
Effect Of Air Pollution On Human Health
Air Pollution has been one of the biggest problems that the humans have been facing over the years. This is not an issue for some specific country; it is important for people across the world to curb the issues related to air pollution. The Air pollution index has been at all-time highs for quite some time. The effects of air pollution can be severe and very impacting to your overall health.
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most important topic for more clearance of water quality standards which covers latest Indian and WHO guidelines and provides a real scenario of water standards in India and the recent advances made for purification of water in India and worldwide. The presentation is little bit lengthy but deals with all required aspects in short.
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The Presentation briefly consists about what is water pollution,It's Sources, It's effects, Precautions, etc...
There is also a video about the some examples of the effects of Water Pollution on Humans,Animals and birds.
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Water pollution,its sources, different types of water pollution and remedies to overcome water pollution
Water polluton
Water pollution occurs when harmful substances are directly or indirectly discharged into bodies of water, contaminating the water. It has both point sources like pipes discharging from sewage treatment plants or factories, and non-point sources like agricultural runoff. Water pollution negatively impacts the environment, humans, and animals. It can cause disease in humans and animals, harm aquatic life, and disrupt ecosystems. Prevention efforts include properly disposing of waste, conserving water usage, and reducing excess nutrients and chemicals from entering water systems.
Water Pollution
The document discusses various causes of water pollution including sewage, garbage dumping, agricultural runoff, and industrial waste. It notes that water pollution can come from point sources like sewage outflows or non-point sources like agricultural fields. It provides examples of industries like chemical plants and thermal power plants polluting water. It also discusses how both natural processes and human activities can introduce harmful chemicals into groundwater and surface water.
socialstratification-170211122810.pdf
This document provides an overview of social stratification. It begins with definitions of social stratification and discusses its origins and causes. The key forms of stratification discussed are the slavery system, estate system, caste system, and class system. The impacts of stratification on areas like health, education, and life chances are examined. The document also explores theoretical perspectives on stratification from structural functionalism and social conflict theory. It addresses how stratification is maintained through prejudice and discrimination and concludes with a discussion of social mobility.
Air pollution
The document discusses air pollution, defining it as contamination of the air indoors or outside. It can be caused by harmful gases, dust, or smoke entering the atmosphere. Air pollution can harm plants, animals, and humans by making air dirty and difficult to breathe. It is classified into visible and invisible types and can be caused by both natural sources like volcanoes and human activities like burning fossil fuels. Major effects of air pollution include respiratory illnesses and heart disease in humans as well as damage to materials and negative impacts on wildlife habitats and health.
Water purification and methods
The document discusses water purification and the necessity of purifying water for human consumption. It outlines the early issues with using untreated surface water which led to waterborne diseases. As civilization advanced, methods for treating water were developed to remove impurities and make water safe. The purification process involves screening, chemical addition, coagulation, flocculation, sedimentation, filtration, disinfection, and storage before distribution. Purifying water is necessary to remove suspended solids, bacteria, dissolved salts and other factors to ensure water quality meets standards and is safe for health.
water pollution
This document discusses water pollution around the world. It begins by outlining the global scale of the problem, noting that water pollution is the leading cause of death and disease worldwide. It then defines water pollution and discusses its major sources, including point sources like factories, and non-point sources like agricultural runoff. The document details specific causes of water pollution like sewage, nutrients, waste water, chemical waste, radioactive waste, and plastics. It also discusses the effects of water pollution on health and ecosystems. Finally, it proposes some solutions to water pollution, including education, laws, and economic principles like the polluter pays principle.
Environmental Pollution
The document discusses four types of pollution: air, water, soil, and noise. It provides details on each type, including causes and methods for prevention/control. Air pollution is caused by the introduction of harmful substances into the atmosphere, and can be addressed by conserving energy, limiting driving, and properly maintaining vehicles. Water pollution results from discharging pollutants into water bodies without treatment, and can be prevented by properly disposing of waste and chemicals and conserving water usage. Soil pollution is mainly caused by industrial activities and improper waste disposal, releasing chemicals and heavy metals into the soil. Noise pollution stems from transportation and machinery noise that can disrupt human and animal activity.
Pollution of Air and Soil.Claass 10.PPT.
I have uploaded the PPT on "Pollution of Air and Soil"
pls follow me for more PPT.
Pls like and share.
treatment of water for drinking purpose
The document summarizes the process of treating water for drinking purposes. It discusses three levels of treatment: primary, secondary, and tertiary. Primary treatment includes coagulation, flocculation, and sedimentation to remove solids. Secondary treatment is filtration to remove additional particles and microorganisms. Tertiary treatment is disinfection through methods like chlorination or ozonation to kill remaining pathogens. The overall water treatment process aims to remove solids, organisms, and chemicals to produce potable water safe for human consumption.
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This document discusses issues relating to water quality and availability for human use. It begins by stating that water resources face threats from human activities, which impact water quality. Several human activities are mentioned like agriculture, urbanization, and waste disposal. The document then covers various physical and chemical attributes that determine water quality, such as temperature, odor, turbidity, and chemical characteristics. Issues like water scarcity caused by overuse are also discussed. The importance of conservation and protecting water resources is emphasized. Students are prompted to consider how they can personally promote water conservation and protection.
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This document discusses issues relating to water quality and availability for human use. It begins by stating that water resources face threats from human activities, which impact water quality. Several human activities are mentioned like agriculture, urbanization, and waste disposal. The document then covers various physical and chemical attributes that determine water quality, such as temperature, odor, turbidity, and chemical characteristics. Issues like water scarcity caused by overuse are also discussed. The importance of conservation and protecting water resources is emphasized. Students are prompted to consider how they can personally promote water conservation and protection.
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Water pollution occurs when energy and materials are released into water sources, contaminating the quality of the water for other users. There are two main types of pollution sources: point sources which can be traced to a single location like drain pipes or sewer lines, and nonpoint sources which are more diffuse like agricultural or industrial runoff. Water pollution has negative effects on both the environment and human and animal health, causing diseases, toxic water, and harm or death to many species. Individual actions like turning off running water, proper fertilizer use, and cleanups can help reduce water pollution.
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The document discusses water pollution and provides details about various types of water pollutants and their sources. It summarizes that water pollution occurs when foreign materials contaminate water supplies, harming living things. The major types of water pollutants are biological impurities like bacteria, inorganic impurities such as heavy metals, and organic impurities including pesticides. Pollution comes from natural sources like volcanic eruptions and human sources such as sewage, industrial waste, and agricultural runoff. Water pollution harms ecosystems, animal health, and human health by causing diseases and environmental damage. Several major rivers around the world are severely polluted due to waste dumping and lack of treatment, including the Mississippi, Ganges, and Yellow Rivers
Water pollution causes and prevention
This presentation summarizes information about water pollution presented by MD Faridujaman. It defines water pollution as the contamination of the natural environment with harmful substances, often resulting from human activities. Various types of pollution are described, including microbiological, chemical, and those involving oxygen-depleting substances and nutrients. Causes of water pollution from domestic, industrial and agricultural waste are outlined. The effects on both humans and wildlife are explained. Suggestions for preventing further water pollution are provided, such as being mindful of household chemicals and reducing soil erosion. The presentation concludes by emphasizing the importance of conserving this vital natural resource.
Environmental water pollution
This document discusses various types of water pollution including groundwater pollution, chemical pollution, nutrients pollution, urbanization, thermal and oil pollution. It describes how nutrients pollution can lead to algal blooms which reduce oxygen in water harming aquatic life. Urbanization is cited as a source of industrial and sediment pollution. The effects of water pollution on humans and marine life are also examined. Specific health impacts from bacteria, pesticides, lead and fluoride are outlined. The document concludes by suggesting ways to prevent water pollution such as reducing plastic use, treating industrial chemicals, and investing in water purification systems.
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This document discusses water pollution, its causes, types, and effects. It defines water pollution as contamination of water bodies by toxic substances that degrade water quality. Major causes discussed include sewage discharge, industrial waste, agricultural and residential runoff containing nutrients and chemicals. Types addressed are nutrients, surface water, oxygen-depleting, groundwater, microbiological, suspended, and chemical pollution. Effects include aquatic life death, disrupted food chains, increased disease prevalence, and ecosystem destruction. Prevention methods like proper waste disposal and reducing chemical usage are recommended. Wastewater treatment involves screening, primary settling, secondary biological treatment, and final filtration before discharge.
Effect Of Air Pollution On Human Health
Air Pollution has been one of the biggest problems that the humans have been facing over the years. This is not an issue for some specific country; it is important for people across the world to curb the issues related to air pollution. The Air pollution index has been at all-time highs for quite some time. The effects of air pollution can be severe and very impacting to your overall health.
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most important topic for more clearance of water quality standards which covers latest Indian and WHO guidelines and provides a real scenario of water standards in India and the recent advances made for purification of water in India and worldwide. The presentation is little bit lengthy but deals with all required aspects in short.
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The Presentation briefly consists about what is water pollution,It's Sources, It's effects, Precautions, etc...
There is also a video about the some examples of the effects of Water Pollution on Humans,Animals and birds.
water pollution
Water pollution,its sources, different types of water pollution and remedies to overcome water pollution
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Water pollution occurs when harmful substances are directly or indirectly discharged into bodies of water, contaminating the water. It has both point sources like pipes discharging from sewage treatment plants or factories, and non-point sources like agricultural runoff. Water pollution negatively impacts the environment, humans, and animals. It can cause disease in humans and animals, harm aquatic life, and disrupt ecosystems. Prevention efforts include properly disposing of waste, conserving water usage, and reducing excess nutrients and chemicals from entering water systems.
Water Pollution
The document discusses various causes of water pollution including sewage, garbage dumping, agricultural runoff, and industrial waste. It notes that water pollution can come from point sources like sewage outflows or non-point sources like agricultural fields. It provides examples of industries like chemical plants and thermal power plants polluting water. It also discusses how both natural processes and human activities can introduce harmful chemicals into groundwater and surface water.
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Air pollution
The document discusses air pollution, defining it as contamination of the air indoors or outside. It can be caused by harmful gases, dust, or smoke entering the atmosphere. Air pollution can harm plants, animals, and humans by making air dirty and difficult to breathe. It is classified into visible and invisible types and can be caused by both natural sources like volcanoes and human activities like burning fossil fuels. Major effects of air pollution include respiratory illnesses and heart disease in humans as well as damage to materials and negative impacts on wildlife habitats and health.
Water purification and methods
The document discusses water purification and the necessity of purifying water for human consumption. It outlines the early issues with using untreated surface water which led to waterborne diseases. As civilization advanced, methods for treating water were developed to remove impurities and make water safe. The purification process involves screening, chemical addition, coagulation, flocculation, sedimentation, filtration, disinfection, and storage before distribution. Purifying water is necessary to remove suspended solids, bacteria, dissolved salts and other factors to ensure water quality meets standards and is safe for health.
water pollution
This document discusses water pollution around the world. It begins by outlining the global scale of the problem, noting that water pollution is the leading cause of death and disease worldwide. It then defines water pollution and discusses its major sources, including point sources like factories, and non-point sources like agricultural runoff. The document details specific causes of water pollution like sewage, nutrients, waste water, chemical waste, radioactive waste, and plastics. It also discusses the effects of water pollution on health and ecosystems. Finally, it proposes some solutions to water pollution, including education, laws, and economic principles like the polluter pays principle.
Environmental Pollution
The document discusses four types of pollution: air, water, soil, and noise. It provides details on each type, including causes and methods for prevention/control. Air pollution is caused by the introduction of harmful substances into the atmosphere, and can be addressed by conserving energy, limiting driving, and properly maintaining vehicles. Water pollution results from discharging pollutants into water bodies without treatment, and can be prevented by properly disposing of waste and chemicals and conserving water usage. Soil pollution is mainly caused by industrial activities and improper waste disposal, releasing chemicals and heavy metals into the soil. Noise pollution stems from transportation and machinery noise that can disrupt human and animal activity.
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I have uploaded the PPT on "Pollution of Air and Soil"
pls follow me for more PPT.
Pls like and share.
treatment of water for drinking purpose
The document summarizes the process of treating water for drinking purposes. It discusses three levels of treatment: primary, secondary, and tertiary. Primary treatment includes coagulation, flocculation, and sedimentation to remove solids. Secondary treatment is filtration to remove additional particles and microorganisms. Tertiary treatment is disinfection through methods like chlorination or ozonation to kill remaining pathogens. The overall water treatment process aims to remove solids, organisms, and chemicals to produce potable water safe for human consumption.
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Today I will talk about water problems ,everybody as know that water is very important resource to live for alive organisms..the earth is consist of 70% with water..in nowdays water problems have been increasing ,so it can causes some problems in the world..first of all I wanna talk about the types of water problems .there are 3 types of water problems biological,chemical,physician ,biological… biological water problem means bacterica and viruses … inside the water some dangerous bacterias and parasites can cause serious diseases in people in direct contact with this contaminated water. This might include people drinking, swimming or washing in the contaminated water and extremely serious and contagious diseases..second one is chemical water problem it means throwing away nuclear oil ,heavy metals and radioactive spells..actually it happens in industry section.. third one is physicial water problems it means throwing away bottles or waster plastic bags..also this cause the dirtiness of water .
.causes of the water problems … there are actually three basic causes to make the water problem in the world..nuclear oil ,throwing waster bottle,wasting lots of water…nuclear oil it means in industry section fabrics and many industry instructions to flow the oil and smoke ,so it cause water problem..and also throwing waster bottles make the dirty to the water … the last the wasting lots of water also cause water problems ,because today most of country worry about less water..
Effects of water problems..
In the world water pollution is the big problem ,its effects is very dangerous … for example poisoing food and water ,desease and even death… Globally, more than 1 million children under 5 die each year from diarrheal disease
the effects of water pollution are not only devasting to people but also to animals ,fish and birds ..polluted water is unsuitable for drinking ..
In addition every problems have the solution way ,also water problems have 3 basic solution way ,planting trees,ran off,and don’t throwing away wasted substaces like bottles bags etc..planting trees are cause to prevent the land erosion and to make the clean dirty co2 matters from the nature also in the water..then we must be educating people because if we waste lots of water in somedays we cant find it again so we must ran off water..and also we don’t throw away the wasted subtances ..in conclusion I think that we have to change our habits ,because
The water is a natural resources very important and if we follow the same way till now ,one day maybe our sons woke up and won`t have water to drink…Thanks for your attention!..
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The document discusses water pollution, defining it as the contamination of water bodies by human activities that can alter water quality. It covers the types, causes, and effects of water pollution including industrial waste, marine dumping, urban development, and animal waste. The document also provides preventative measures that can be taken at individual and governmental levels to reduce water pollution.
Water pollution, types
This document discusses water pollution. It defines water pollution and notes it is a global problem that varies in magnitude and type of pollutant between regions. Water pollutants are divided into 8 categories: sewage, disease-causing agents, sediment pollution, inorganic plant and algal nutrients, organic compounds, inorganic chemicals, radioactive substances, and thermal pollution. The document discusses the sources and impacts of each type of pollutant. The two main sources of water pollution are identified as point source pollution and nonpoint source pollution. Agriculture is a leading cause of nonpoint source water pollution worldwide.
Water sources,water pollution types and control measures.pptx
1. Water is a vital natural resource that forms the basis of all life on Earth. The majority of water on Earth is salt water, with only 3% being fresh water.
2. The main sources of fresh water are surface water found in rivers, lakes, and wetlands, and groundwater found beneath the Earth's surface. Water is used for irrigation, domestic, industrial, and other purposes.
3. Water pollution occurs when harmful substances contaminate water bodies, threatening health and ecosystems. The different types of water pollution include surface water, groundwater, thermal, and eutrophication. Water pollution can be controlled through education, laws, and other solutions.
waterpollution.pptx
Water pollution presentation for nerds like you who do not leave their room for hours.
You deserve divine punishment, ediot
We should eat more chicken. And more potato based snacks.
Water pollution
This document discusses water pollution. It defines water pollution as occurring when harmful substances are released into water bodies in large enough quantities to damage wildlife, habitat, or human health. The document outlines various types and sources of water pollution, including direct sources like untreated industrial effluent and indirect sources like agricultural runoff. It also describes some common signs of water pollution and discusses the effects of pollution on the environment, agriculture, animals, and human health, such as increased disease, algae blooms, and loss of biodiversity. Finally, it provides some recommendations for managing water pollution, like applying the polluter pays principle and encouraging international cooperation.
Water pollution
Water pollution is a serious global problem impacting human and environmental health. Several key points about water pollution include:
1) It has various sources such as agricultural runoff containing excess fertilizers and pesticides, untreated sewage, and industrial waste.
2) It harms living organisms and renders water unsuitable for uses like drinking and recreation. Pollution has caused millions of preventable deaths from waterborne diseases each year.
3) Successful prevention and reduction of water pollution requires strategies like improved sewage treatment, regulation of industrial discharges, and management of nonpoint sources of pollution from agriculture and urban runoff.
4) While laws like the Clean Water Act have made progress in reducing water pollution in
Environmental Engineering Haseeb 09.pptx
Water pollution occurs when harmful substances contaminate bodies of water, making the water toxic. The document outlines several causes of water pollution including agriculture, global warming, oil leaks and spills, and industrial waste. Effects of water pollution are negative impacts on human health, aquatic life, food chains, and the economy. Solutions proposed to address water pollution include reducing plastic waste, practicing water conservation, adopting green agriculture techniques, and maintaining vehicles.
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Water Pollution
- 1. Topic: Pollution Sub-topic: Water Pollution Subject: Social Studies Grade: 8M Teacher: Ms.Hudson Date: November 27, 2014 NEXT
- 2. What is pollution? • Pollution is the contamination of air, soil, or water by the discharge of harmful substances. BACK NEXT
- 3. What is Water Pollution? Throwing garbage in rivers, sea and oceans Improper sewage disposal in ground water Oil spills by ships Ships letting out warm water bodies Ships letting out warm water bodies Factory waste into nearby rivers BACK NEXT
- 4. Definition of water pollution • Water pollution is the contamination of water bodies. • Examples of water bodies are: lakes, rivers, oceans, aquifers and groundwater) BACK NEXT
- 5. Causes of water pollution • Surface Water Pollution - Dumping of garbage in rivers, lakes, oceans and seas by humans • Chemical Pollution -Insecticides being washed away into water bodies • Ships letting out unwanted oil at sea. (petrol and disel) • Chemical waste from factories in water bodies. • Farmers washing out their farms and its water leading to water bodies. (Fertilizers and sewage) BACK NEXT
- 6. Causes of water Pollution • Thermal pollution is a sudden increase or decrease in temperature of a natural water body.. • Cleaning of land can cause erosion into the rivers. • Sewage generated from homes or run off from septic tanks into nearby rivers BACK NEXT
- 7. Effects of water Pollution • Oil spills wiping away aquatic animals • Sewage being washed away into water bodies • Toxic chemicals killing fauna and flora animals. BACK NEXT
- 8. Effects of water pollution • Contamination of drinking water • Increase in water born diseases such as cholera, malaria caused by mosquitoes , ringworm caused by dirty water • Humans being infected with gastroenteritis, diarrhea and vomiting. BACK NEXT
- 9. Methods To prevent Water Pollution • Educating the public about its harmful effects to human and the environment • Environmental laws • Do not dispose of household chemicals or cleaning agents down the sink or toilet. • Reuse, recycle and reduce. BACK NEXT
- 10. Activity Time !!!! BACK NEXT
- 11. Question 1 • 1. What is Water Pollution? • A. Contamination of water bodies • B. Contamination of the atmosphere • C. Improper Sewage disposal on land BACK NEXT
- 12. Question 2 2. How humans contribute to water pollution? A. Oil spills in water bodies, Factory waste, improper sewage disposal in near by rivers. B. Spraying of chemicals on plants C. Oil spills, factory waste and throwing garbage on land. BACK NEXT
- 13. Question 3 • 3. What are some effects of water pollution on humans? • A. Cancer, Ringworm , Ebola, vomitting • B. Cholera, Chick V. And Ebola • C. Ringworm, cholera, Malaria and Diarrhea and contamination of drinking water BACK NEXT
- 14. Question 4 • How water pollution affect aquatic animals? • A. Fish lose their lives, destruction of coral reefs • B. Fish can still survive and reproduce • C. The water becomes dirty and discoloured BACK NEXT
- 15. Question 5. • 4. What methods can be practiced to reduce water pollution? • A. Reuse, recycle, reduce, Education and environmental laws • B. Proper garbage disposal • C. Environmental laws BACK NEXT
- 16. Individual work • Create a brochure or poster on what is pollution , two causes of water pollution and two methods that can be done to prevent your select causes of water pollution • Write a journal entry on how you feel about Today’s lesson