Coker department of civil engineering university of ibadan ibadan environment according to federal environmental protection agency fepa act of 1990, under. A pollutant is a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource. For example, releasing inadequately treated wastewater into natural water bodies can lead to degradation of aquatic ecosystems. In the the mcgrawhill concise encyclopedia of environmental science, air pollution is said to be the presence in the atmospheric environment of natural and artificial substances that affect human health or wellbeing, or the wellbeing of any other specific organism air pollution, 2002. Pdf environmental pollution and its control researchgate.
Historically, the idea of pollution had two meanings. The substances that are responsible for causing air pollution are called air pollution. Source, its harmful effects and preventive measures thermal pollution is the degradation of water quality by any process that changes ambient water temperature. Distinct types of pollution are classified depending on the affected part of an environment. Published by the arab school for science and technology asst. For example, light pollution requires energy to be made, which means the electric plant needs to burn more fossil fuels to supply the electricity. Factors that contribute to water pollution can be categorized into two different groups. Pdf environmental pollution causes and consequences. Pollution and contamination everywhere we have seen what is pollution and the different types of pollution. Brown, an economy is a system by which people get living. Pollution control an overview sciencedirect topics. Contamination of soil will decrease the agricultural output of a land.
The word pollution is derived from the latin word polutus which means defiled or to make dirty or to pollute. Noise pollution is therefore the addition of unwanted noise into the atmosphere. The most effective means of controlling pollution results from cooperation between scientists, legislators, citizens and industry. Study of pollution aids in understanding basics of pollution and also helps to generate set of rules for each and every type of pollution. Among the many other types of pollution, soil pollution or land pollution is the next one. Different types of pollution are categorized based on the part of the environment which they affect or result which the particular pollution causes. Environment includes water, air, land and all plants and human beings andor animals living. Those fossil fuels can contribute to air pollution, which returns to the earth as acid rain and increases water pollution. Environment is polluted often by natural phenomenon, such as earthquakes, floods, drought, cyclones, etc. That water being polluted is not going to do any good for us. A low sound is pleasant whereas a loud sound is unpleasant and is commonly referred to as noise. Pollution is the introduction of contaminants into the natural environment that cause adverse.
Waste products enter the environment in various forms and threaten the quality of the air, land, and water. The presence of a substance in the environment that because of its chemical composition or quantity prevents the. If not, head to vegas, sir, because youre right on the money. Definition pollution is the introduction of contaminants into the natural environment that cause adverse change, in the form of killing of life,toxicity of environment, damage to ecosystem and aesthetics of our surrounding. Pollution is the introduction of harmful substances or products into the environment. Its untoward effects are detrimental for healthy survival and also the contamination in most cases is not completely reversible. What is water pollution and its causes, effects, types. Definition, sources and effects of noise pollution. The major kinds of pollution are usually classified by environment and include air, water, and land pollution. Categorized study of pollution helps to understand the basics in more detail and produce protocols for the specific types. Any undesirable change in the environment, air, water, land, soil, etc. Soil pollution is not only the problem in india but it is a global problem.
Thus we had made a promise to you all that we will detail what each kind of pollution is. In appropriate quantities, some erstwhile pollutants are beneficial. Sitting in the car in the middle of traffic is 85 decibels and more than. Pollution is a negativeundesirable change in the environment, usually the addition of something hazardous or detrimental.
Land pollution is the degradation of the earths land surface through misuse of the soil by poor agricultural practices, mineral exploitation, industrial waste dumping, and indiscriminate disposal of urban wastes. Point sources are the easiest to identify and control non point sources are ambiguously defined and harder to control. 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. Pollution reaches its most serious proportions in the densely settled urbanindustrial centers of the more developed countries kromm, 1973. Water is one of the most essential elements for living things to survive. Without a doubt, environmental pollution has existed for centuries. The introduction by man into the environment of substances or energy liable to cause hazards to human.
Pollution in all forms is a major environmental issue in india. Pollution happens when the environment is contaminated, or dirtied, by waste, chemicals, and other harmful substances. Pollution is the process of polluting water, air, or land, especially with poisonous. By definition, pollution is harmfultoo much of something in the wrong place. Various types of pollution air, water, soil, noise etc. Types of pollution ppt powerpoint presentation pdf. The various types of environmental pollution includes air pollution, water pollution, soil pollution, radioactive pollution, noise pollution, light pollution, oil pollution, marine pollution, plastic pollution, etc. Pollution was defined as the introduction into the environment of substances liable to cause harm to humans and other living organisms. The soil provides shelter to many animals and supports the growth of plants from which we obtain our basic needs. Pollution definition and meaning collins english dictionary.
We can define pollution as contamination or spoiling of air,soil and water by discharging harmful materials in them. Certain natural phenomena causing deterioration in the quality of water, air, or soil. The most harmful form of air pollution, called fine particulat. The act or process of polluting or the state of being polluted, especially the contamination of soil, water, or the atmosphere by the discharge of harmful substances. Water pollution results when contaminants are introduced into the natural environment.
An introduction to air pollution definitions, classifications, and history. Types of pollution their causes and extent of damage. Land is often used as a recipient for treatment of wastes. Environmental pollution is one the most significant challenges that the world is facing in our day. Each and every type of pollution has its own consequences and its own causes. It is unconcerned and uncontrolled contamination of limited natural resources available for safe survival of living beings including humans. But, it began to be a severe issue following the industrial revolution in the 19 th century. Pollution definition of pollution by the free dictionary. The agents that bring about or cause this pollution are called pollutants. Pollution is something that contaminates the environment. Pdf pollution is an unfavourable alteration in the physical. Environmental pollution, types, causes, impact and. This happens due to various reasons, most of which are in. Pollution, addition of any substance or form of energy to the environment at a rate faster than it can be dispersed or stored in a harmless form.
Each of these types has its own distinctive causes and consequences. The way man attempts to get a living differs in major respects from time to time and from place. Pollution can take the form of chemical substances, or energy, such as noise. An air pollutant is known as a substance in the air that can cause harm to humans and the. A pollutant may cause long or shortterm damage by changing the growth rate of plant or animal species, or by interfering with human amenities, comfort, health, or property values. It causes harmful effect on the soil and the environment at large. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. There are various types of pollution which affect our lives on daily basis. Water pollution is the contamination of water bodies, usually as a result of human activities. Equally, pollution means the presence of undesirable materials in the natural environment or the state of the natural environment being contaminated with potentially harmful substances as an outcome of human activities. Pollution is the introduction of damaging or poisonous materials into the natural environment.
A number of definitions of the term are examined and alternatives suggested. These changes could be in the physical, chemical or even biological changes. Interesting question did you know that there are actually seven primary sources of pollution. Meaning of environmental pollution the expression pollute means to get spoil or to make unclean, impure and unhealthy. Module 2 economy its meaning and types about economy 26 notes 4. Its still unknown whether or not those types of radiation have any effects on human. Air pollution is the human introduction into the atmosphere of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damage the environment.