File Name: water pollution effects and causes .zip
By Inyinbor Adejumoke A.
The planet keeps nudging us with increasingly extreme droughts, reminding us that water is life.
Water Pollution: Everything You Need to Know
The water they say is life, and indeed they were right. Water is an essential element in both domestic as well as industrial purposes. However, a closer inspection of our water resources today gives us a terrible shock.
Water and air, the two essential fluids on which all life depends, have become global garbage cans. It is the abuse of lakes, ponds, oceans, rivers, reservoirs,.
Water is a natural solvent, enabling most pollutants to dissolve in it easily and contaminate it. On a human level, several people die each day due to the consumption of polluted and infected water. As per the Economist report dated , each day, over children die of diarrheal sickness in India, and the numbers have been alarming in the last five years. Volcanic eruptions, earthquakes, tsunamis, etc.
Groundwater is one of our least visible but most critical natural resources. With rainfall, it becomes groundwater as it seeps deep into the earth, filling up cracks, crevices, and porous spaces of an aquifer, which is an underground storehouse of water. Groundwater gets polluted when contaminants such as fertilizers, pesticides, and waste leaching from landfills and septic systems, making their way into an aquifer. Once polluted, an aquifer becomes unsafe for humans and remains unusable for decades, or even thousands of years.
Besides, groundwater can also spread contamination far from the original polluting source when it seeps into streams, lakes, and oceans.
Making groundwater free of contaminants can be difficult to impossible, as well as costly. As per the Environmental Protection Agency of the U.
Streams and rivers carry contaminants such as chemicals, nutrients, and heavy metals that are carried from farms, factories, and cities into our bays and estuaries, and from there, they reach the ocean. Though this pollution originates from a specific place, it can affect miles of waterways and ocean.
Point sources include wastewater, which is known as effluent, legally or illegally discharged from a manufacturing unit, oil refinery, or wastewater treatment facility. It can be from leaking septic systems, chemical and oil spills, and also illegal dumping. Nonpoint source pollution is contamination derived from multiple or diffused sources.
These may include contaminated water traveled after rains, agricultural or stormwater runoff, or debris blown into waterways from the land. A boundary line cannot contain water pollution on a map. It can result from a disaster like an oil spill or the slow, downriver creep of industrial, agricultural, or municipal discharge.
They contain harmful chemicals, including lead, mercury, sulfur, nitrates, asbestos, and many others. The sewage water carries pathogens, a typical water pollutant, other harmful bacterias, and chemicals that can cause serious health problems and thereby diseases. Microorganisms in water are known to cause some of the very deadly diseases and become the breeding grounds for creatures that act as carriers. These carriers inflict these diseases onto an individual via various forms of contact.
A typical example would be Malaria. Mining is the process of crushing the rock and extracting coal and other minerals from the underground. These elements, when extracted in the raw form, contain harmful chemicals and can increase the number of toxic elements when mixed up with water, which may result in health problems.
Mining activities emit a large amount of metal waste and sulfides from the rocks, which is harmful to the water. These items take 2 weeks to years to decompose. When such things enter the sea, they not only cause water pollution but also harm animals in the sea. A ship carrying a large quantity of oil may spill oil if met with an accident. Chemical fertilizers and pesticides are used by farmers to protect crops from insects and bacterias. However, when these chemicals are mixed up with water, they produce harmful pollutants for plants and animals.
A small leakage from the sewer lines can contaminate the underground water and make it unfit for the people to drink. Also, when not repaired on time, the leaking water can come on to the surface and become a breeding ground for insects and mosquitoes. It increases the water temperature and results in the death of aquatic animals and marine species, which later results in water pollution.
The nuclear waste that is produced by radioactive material needs to be disposed of to prevent any nuclear accident. Few major accidents have already taken place in Russia and Japan. As the population has grown exponentially, so has the demand for housing, food, and cloth. Landfills are nothing but a massive pile of garbage that produces the awful smell and can be seen across the city.
The waste produced by animals washed away into the rivers when it rains. It then gets mixed up with other harmful chemicals and causes various water-borne diseases like cholera, diarrhea, dysentery, jaundice, and typhoid. Transportation of coal and other petroleum products through underground pipes is well known. The increased level of nutrients in water bodies is known as Eutrophication. It results in the bloom of algae in the water. It also depletes the amount of oxygen in the water that negatively affects fish and other aquatic animal populations.
Acid rain is essentially water pollution caused by air pollution. When the acidic particles released in the atmosphere by air pollution mix with water vapor, it results in acid rain. Water pollutants include both organic and inorganic factors. Organic factors include volatile organic compounds, fuels, waste from trees, plants, etc. Inorganic factors include ammonia, chemical waste from factories, discarded cosmetics, etc.
The water that travels via fields is usually contaminated with all forms of garbage inclusive of fertilizers that it swept along the way.
This infected water makes its way to our water bodies and sometimes to the seas endangering the flora, fauna, and humans that use it along its path. Industries and factory set-ups are restricted from contaminating the water bodies and are advised to treat their contaminated waste through filtration methods. Water pollution is prevalent and is an area of high alert. Water needs to be preserved and valued today for us to live tomorrow.
The treatment of polluted water removes existing contaminants or reduce the concentration of the pollutants to make the water fit for the desired use. Some of the ways to do it are:. The raw sewage needs to be adequately treated in a water treatment plant before it is released into the environment. Water is passed through several chambers and chemical processes in the water treatment plant to reduce the amount and toxicity of waste.
When nitrates present in the water get converted into gas, it is known as denitrification. It is an ecological approach that prevents leaching of nitrates in the soil. It stops groundwater from getting contaminated. The ozone wastewater treatment method has become very popular. In this method, an ozone generator breaks down the pollutants in water. Ozone oxidizes bacteria, organic material, molds, and other contaminants in water.
Septic tanks treat sewage right at the place of the location where it originates instead of treating it in any far-away plant or sewage system. This system is usually put to use at the individual building level. The sewage gets separated into solid and liquid components and treated separately. Tackling Global Water Pollution. What is Water Pollution?
Water Pollution: Facts and Figures. Industrial Waste 2. Sewage and Wastewater 3. Mining Activities 4. Marine Dumping 5. Accidental Oil Leakage 6. The burning of fossil fuels 7. Chemical fertilizers and pesticides 8. Leakage From Sewer Lines 9. Global Warming Radioactive Waste Urban Development Leakage From the Landfills Animal Waste Underground Storage Leakage Eutrophication Author Recent Posts.
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Industrial agriculture is one of the leading causes of water pollution in the United States. Beaches may close due to algal blooms, and fishing activities may be severely limited. Excessive nutrient runoff in waterways can impact drinking water supplies and, in some cases, cause severe health problems. Concentrated animal feeding operations CAFOs , also known as factory farms, typically house thousands of animals, generating millions if not billions of gallons of animal waste per year. For example, North Carolina alone generates almost 10 billion gallons of animal waste per year. Such waste-containment areas often leak and, during large storms, can rupture. The environmental damage from spraying and from leaking, ruptured lagoons can be devastating.
NCBI Bookshelf. Disease Control Priorities in Developing Countries. Environmental pollution has many facets, and the resultant health risks include diseases in almost all organ systems. Thus, a chapter on air and water pollution control links with chapters on, for instance, diarrheal diseases chapter 19 , respiratory diseases in children and adults chapters 25 and 35 , cancers chapter 29 , neurological disorders chapter 32 , and cardiovascular disease chapter 33 , as well as with a number of chapters dealing with health care issues. Each pollutant has its own health risk profile, which makes summarizing all relevant information into a short chapter difficult. Nevertheless, public health practitioners and decision makers in developing countries need to be aware of the potential health risks caused by air and water pollution and to know where to find the more detailed information required to handle a specific situation.
concentrations in urban catchments [11,12]. Urban runoff is the greatest cause of surface water pollutants in numerous parts of the world;.
Jump to navigation. British poet W. This widespread problem of water pollution is jeopardizing our health. Unsafe water kills more people each year than war and all other forms of violence combined. Without action, the challenges will only increase by , when global demand for freshwater is expected to be one-third greater than it is now.
The water they say is life, and indeed they were right. Water is an essential element in both domestic as well as industrial purposes. However, a closer inspection of our water resources today gives us a terrible shock. Water and air, the two essential fluids on which all life depends, have become global garbage cans. It is the abuse of lakes, ponds, oceans, rivers, reservoirs,.
Water pollution occurs when a body of water becomes contaminated, usually by chemicals or microorganisms. Water pollution can cause water to become toxic to humans and the environment. Water is an essential resource for all life on Earth. If a water source becomes contaminated due to pollution, it can lead to health issues in humans, such as cancer or cardiovascular conditions. This article explores the causes of water pollution, how it can affect human health, and what people can do to help prevent it.
Это Испания. Если вы по глупости упадете, то это будет ваша личная глупость, кто бы ни придумал эти ступени. Халохот остановился у одного из окон, расположенных на уровне его плеча, и посмотрел на улицу. Он находился на северной стороне башни и, по всей видимости, преодолел уже половину подъема. За углом показалась смотровая площадка.
Отпусти ее, - раздался ровный, холодный голос Стратмора.
Затем ярко вспыхнул и выключился. Сьюзан Флетчер оказалась в полной темноте. Сьюзан Флетчер нетерпеливо мерила шагами туалетную комнату шифровалки и медленно считала от одного до пятидесяти. Голова у нее раскалывалась.
Беккер держался центра башни, срезая углы и одним прыжком преодолевая сразу несколько ступенек, Халохот неуклонно двигался за. Еще несколько секунд - и все решит один-единственный выстрел. Даже если Беккер успеет спуститься вниз, ему все равно некуда бежать: Халохот выстрелит ему в спину, когда он будет пересекать Апельсиновый сад. Халохот переместился ближе к центру, чтобы двигаться быстрее, чувствуя, что уже настигает жертву: всякий раз, пробегая мимо очередного проема, он видел ее тень. Вниз.
Сам удивишься. Дэвид сунул руку в карман халата и вытащил маленький предмет. - Закрой. У меня есть кое-что для .
Может быть, Беккер был среди .
Обернувшись, Бринкерхофф начал всматриваться в темноту. Мидж как ни чем не бывало стояла в приемной возле двойной двери директорского кабинета и протягивала к нему руку ладонью вверх. - Ключ, Чед. Бринкерхофф покраснел до корней волос и повернулся к мониторам. Ему хотелось чем-то прикрыть эти картинки под потолком, но .
Она пробовала снова и снова, но массивная плита никак не реагировала. Сьюзан тихо вскрикнула: по-видимому, отключение электричества стерло электронный код. Она опять оказалась в ловушке. Внезапно сзади ее обхватили и крепко сжали чьи-то руки.
Сьюзан кивнула. Так и есть, примерно через каждые двадцать строк появляется произвольный набор четырех знаков. Сьюзан пробежала все их глазами. PFEE SESN RETM - Альфа-группы из четырех знаков, - задумчиво проговорила Сьюзан.