Usually, some form of treatment is carried out to ensure the water is fit for drinking although some sources are somewhat free from contaminating microorganism. When water pollution causes an algal bloom in a lake or marine environment, the proliferation of newly introduced nutrients stimulates plant and algae growth, which in turn reduces oxygen levels in the water. The preservation of our water environment, which is embedded in sustainable development, must be well. Most downloaded environmental pollution articles elsevier.
The resulting water pollution is a serious threat to the wellbeing of both the earth and its population. Jan 24, 2020 water pollution can come from a variety of sources. Water pollution can come from a variety of sources. Effects, prevention, and climatic impact intechopen.
Ppt water pollution powerpoint presentation free to view. Since water is one of the building blocks of life, we have but no choice to consume the same water in adequacy. You can find links to all the photos weve used on this page, in a much larger size, on there. Worlds supplies are about 86 million cubic kilometres which are unevenly partitioned onto the separate continents.
Another source of water pollution is the discharge of hot water from cooling engines in the industries. You will notice in the previous pages that water pollution is very harmful to humans, animals and water life. However, the increasing human activities have affected them greatly and lead to the ocean or marine pollution. This increases water temperature and lowers the metabolic rate of organisms. It has negative effects on the living and also on the environment.
In fact, the effects of water pollution are said to be the leading cause of death for humans across the globe, moreover, water pollution affects our oceans, lakes, rivers, and drinking water, making it a widespread and global concern scipeeps, 2009. Not only do you benefit from a pollution free environment, but. Water pollution is categorized by where it originates or its source. Chemicals released by smokestacks chimneys can enter the atmosphere and then fall back to earth as rain, entering seas, rivers, and lakes and causing water pollution. Water pollution facts and information national geographic. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution, industrial wastes, nutrient enrichment, acid rain pollution, oil spillage, the disruption of sediments.
Causes of water pollution can be classified under two broad categories, point source. This dearth of oxygen, known as eutrophication, suffocates plants and animals and can create dead zones. Free download water pollution powerpoint presentation slides. Water pollution water pollution may be defined as alteration in the physical, chemical and biological characteristics of water which may cause harmful effects on human and aquatic life. For example, releasing inadequately treated wastewater into natural water bodies can lead to degradation of aquatic ecosystems. Lead in large amount can cause dyslexia, cadmium poisoning causes itai itai disease, etc. List of books and articles about water pollution online. The presence of h2o is one of the main prerequisites for the existence of life on earth. Report,1965,restoring the quality of our environment, president science committee, washington usa olaniran 1995 defined water pollution to be presence of. Lakes, rivers and coastal areas are much more enjoyable and safe when they are pollution free. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Nov 15, 2019 any unnatural and negative changes in all the dimensions like chemical, physical and biological characteristics of any component of the ecosystem i. Groundwater infiltration and contamination of water supplies are common.
In addition to the acute problems of water pollution. Water pollution causes approximately 14,000 deaths per day, mostly due to contamination of drinking water by untreated. We all know what kinds of adverse effects water pollution has on humans. Some manufacturing facilities use huge quantities of freshwater to carry. Polluted water is of great concern to the aquatic organism, plants, humans, and climate and indeed alters the ecosystem. Oceans are the large area on the planet that covers more than onethird of the earths total surface. Essay 3 400 words water pollution refers to the contamination of water bodies like rivers, lakes, ponds, and oceans. Biotoilets, bioremediation next post water pollution water pollution is the additionpresence of undesirable substances toin water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Effects of water pollution in india water pollution can have some tremendouslyadverse effect on the health of any and every life form living in the vicinity of the polluted water body or using. The release of h eated water into water b odies from the thermal power plants has an adverse effect on the aquatic life. The direct influence is through the physical effects of climatic extremes, whereas the indirect means include the influence on the intensities or level of pollution in the air, on the marine and freshwater systems that provide food and water, as well as the pathogens that cause infectious diseases.
Water pollution facts, types, causes and effects of water. Water pollution is the introduction into fresh or ocean waters of chemical, physical, or. The effects can be catastrophic, depending on the kind of chemicals, concentrations of the pollutants and where there are polluted. The book is divided into 28 chapters covering almost all the aspect of water pollution including water resources and general properties of water. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Water pollution results when contaminants are introduced into the natural environment. The contamination could be caused by physical debris such as plastic water bottles or rubber tires, or it could be chemical such as the runoff that finds its way into waterways from factories, farms, cities, cars, sewage treatment facilities, and air pollution.
Thousands of new, highquality pictures added every day. Sometimes the causes of water pollution are quite surprising. These substances having either a solid, liquid or gaseous origin have different effects according to their amount and potential danger and fragility of the environments. Pdf on jan 1, 2016, asha gupta and others published water pollution sources,effects and control find. Any unnatural and negative changes in all the dimensions like chemical, physical and biological characteristics of any component of the ecosystem i.
Marine pollution ppt free pdf download study mafia. Effects of water pollution water pollution has a duel effect on nature. Jul 31, 2016 effects of water pollution in india water pollution can have some tremendouslyadverse effect on the health of any and every life form living in the vicinity of the polluted water body or using. Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment air, water, and soil which can cause harmful effects on various or many forms of life. Water pollution is the most serious problem possessing a major threat to the safety and security of ecosystem and so millions of people inyinbor et al. Pollution of river bodies has become a major problem that is becoming critical because of.
Pollution of water resources can interfere with swimming and fishing activities, make boating unsafe, affect wildlife and food resources and even contaminate water supplies. Various factors have been associated with water pollution as causes of the environmental issue. Ppt water pollution powerpoint presentation free to. Water pollution control a guide to the use of water. Water pollution causes approximately 14,000 deaths per.
The stress on our water environment as a result of increased industrialization, which aids urbanization, is becoming very high thus reducing the availability of clean water. Technology has begun to solve some pollution problems, and public awareness of the extent of pollution will eventually make government bodies to be more proactive rather than. Consequences of air pollution co 2 is a good transmitter of sunlight, but it also partially restricts infrared radiation going back from the earth into space, which produces the socalled greenhouse effect that prevents a drastic. Lets spare some time to acquaint ourselves with, and ponder upon, the plight of other creatures on planet earth, due to water pollution. Industry is one of the greatest source of pollution, accounting for more than half the volume of all water pollution and for the most deadly pollutants.
Water pollution download ebook pdf, epub, tuebl, mobi. Richard helmer and ivanildo hespanhol, water pollution control, e and fn spon, london, first. Winner of the standing ovation award for best powerpoint templates from presentations magazine. The effects of pollution are greater in shallow, enclosed or slow flowing streams. Water pollution is the contamination of water bodies, usually as a result of human activities. Water pollution occurs any time that contaminants are discharged. Pdf on jan 1, 2008, nsikak benson and others published water pollution find, read. Often, however, industrial wastes of unknown content are commingled with domestic.
Environmental pollution, types, causes, impact and. Macroscopic pollutionlarge visible items polluting the watermay be termed floatables in an urban storm water context, or marine debris when found on the open seas, and can include such items as. Industrial pollution in the united states industry is the greatest source of pollution, accounting for more than half the volume of all water pollution and for. Because we have given more than 30 ppt in one place. Below, we shall see a summary of the effects of water pollution. Water pollution, the release of substances such as chemicals or microorganisms and energy in the form of radioactivity or heat into surface and subsurface waters to the point where they interfere with beneficial use of the water or with the natural functioning of ecosystems. Seabirds, gyres and global trends in plastic pollution open access. Apr 30, 2011 the book is divided into 28 chapters covering almost all the aspect of water pollution including water resources and general properties of water. Causes of water pollution factors that contribute to water pollution can be categorized into two different groups point sources nonpoint sources point sources are the easiest to identify and control non point sources are ambiguously defined and harder to control. What are the effects of water pollution eschooltoday.
The effects of water pollution 8 significant issues. It is caused when the pollutants generated by human activities like industrialization, urban waste, littering, etc. Point source pollution is discharged from a single, identifiable source such as pipes, factories, or ships. Find water pollution stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. What is water pollution environmental pollution centers. Effect of legislative regulations and economic transformation on the air quality. Depositions of deleterious chemicals in soil also leads to loss of soil fertility.
Water pollution has many different causes and this is one of the reasons why it is such a difficult problem to solve. Environmental pollution usually occurs as a result of energy conversions and the use of resources which leaves their byproducts behind in water, soil or air. What about the effects of water pollution on animals. Environmental pollution, types, causes, impact and management. Effects of water pollution on the environment include nutrient pollution which is the most widespread, chronic. Pollution is of different kinds depending on the nature of pollutants and pollutions. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Aug 23, 2017 marine pollution ppt free pdf download. Water pollution and its impact on the human health water quality data have analyzed by microsoft excel software.
Water pollution is intended as water quality degradation caused by the introduction of substances that alter its physicochemical characteristics and impede its normal use. The dangers of polluted water increases when people unknowingly use polluted water for daily purposes. The effects of pollution on human beings and aquatic communities are many and varied. Causes, effects and control is a book providing comprehensive information on the fundamentals and latest developments in the field of water pollution. The negative effects of water pollution on the environment as well as living things water pollution water pollution results from disposal of wastes into water storage bodies and sources. An excessive amount of mercury in water can cause minamata disease in humans and dropsy in fishes. Nonpoint source pollution is caused by rainfall moving over. Water pollution is defined as the presence in groundwater of toxic chemicals and biological agents that exceed what is naturally found in the water and may pose a threat to human health andor the environment. Water pollution is a major global problem that requires ongoing evaluation and revision of water resource policy at all levels from international down to individual aquifers and wells.
The standard participatory rural appraisal pra methods followed to analyze data, collected from the local people concerning their perception. Pollution can enter water directly, through both legal and illegal discharges from factories, for example, or imperfect water treatment plants. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. 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. Additionally, water pollution may consist of chemicals introduced into the water bodies as a result of various human activities. Water pollution occurs when a body of water becomes contaminated. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. For example, releasing inadequately treated wastewater into natural water bodies.
From our friends at the uk rivers network, a collection of publicdomain free pollution photos you can use in school and college projects. These tragic effects of water pollution on animals are. Consequently, consumption of polluted water puts lives and livelihoods at risk because water has no substitute. Water pollution causes approximately 14,000 deaths per day, mostly due to.
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