Pollution prevention concepts and principles by erica phipps, nppc research assistant. Lecture notes environmental pollution causes, effects. Chemical and nuclear plants industrial factories oil refineries. 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. The pollution prevention act ppa, signed by president george bush on november 5, 1990, established a national policy, known as the waste management hierarchy, that stated. Type secondlevel causes flushleft in boldface type, les, using pollution and lowercase letters. When looking at research completed about the environmental and social implications of air pollution, one can find numerous aspects such as the effects on ozone, human health, and ecosystems. Get many pdf ebooks from our online library related with read think write org. A study conducted in 2007 revealed that 40 percent of deaths in the world are directly or indirectly related to air, water, and land pollution. Toxic lead buried in icy layers of an andes glacier reveals that leaded gasoline was the regions worst polluter in the past 2,000 years, a new study reports. Toxic lead pollution left its mark in andes mountains. What are the causes of air pollution pollutant description and main uk sources potential effects on healthenvironment particulate matter pmpm 10 and pm 2. Pollution 6 there are other causes of air pollution, but humans and ecosystems are greatly affected by means of transportation and manufacturing plants.
Pollution can be found everywhere on the globe, even in the polar regions. This paper provides the insight view about the affects of environment pollution in the perspective of air pollution, water and land soil waste pollution on human by diseases and problems, animals and trees plants. Pollution is the introduction of harmful substances or products into. Pollution research workers including chemists, toxicologists, environmentalists, conservationists, botanists, marine scientists, ecologists, biologists. Such studies generally focus on pollution from sewagewastewater, nutrients, and marine litter. A few of these concepts and techniques are discussed below. The presence of a substance in the environment that because of its chemical composition or quantity prevents the functioning of natural processes and. Natural pollution artificial pollution it takes place due to natural causes, such as. The origin of air pollution on the earth can be traced from the times when man started using firewood as a means of cooking and heating.
Pdf causes, consequences and control of air pollution. Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials that cause discomfort, disease, or death to humans, damage other living organisms such as. Pollution prevention environmental impact reduction. Pollution is a negativeundesirable change in the environment, usually the addition of something hazardous or detrimental. Instead, definition, imagine your definition as someone who is intelligent and interested in thepeoplepollution but has not studied it. Environmental regulations, air and water pollution, and infant mortality in india the harvard community has made this article openly available. Air pollution is the greatest threat to our health in the future. Published by the arab school for science and technology asst. This document is highly rated by class 9 students and has been viewed 14700 times. In this article, we discuss the major causes of pollution in a bid to understand how we are contributing to environmental degradation, directly or indirectly.
An introduction to air pollution definitions, classifications, and history. Pollution destroys and harms not only the air, the water, and the environment, but also humans, animals, and plants. Add the url of this thread if you want to cite this discussion. Factories and cars let out fumes and chemicals in smoke polluting the air. There are many different types of pollution, though not all types of pollution can be seen. Our society has produced many kinds of pollution, some are more dangerous than others. Environment pollution is a widereaching problem and it is likely to influence the health of human populations is great. Pollution prevention itself is a term that can have a variety of meanings, depending upon who is using it. May 05, 2020 lecture notes environmental pollution causes, effects and control of air edurev notes is made by best teachers of class 9. Causes of noise pollution traffic noise is the main source of noise pollution caused in urban areas. Factories with chimneys throwing out smoke into the air are not the only sources of this air pollution. Pollution ppt pollution waste free 30day trial scribd.
Pollutants in the air make it hard for people to breathe causing lung disease. Some pollutants, if they are present in excessive quantities, can produce chemical and physical alterations of the air, hampering its capacity to work correctly and guarantee our survival functions. When it rains the chemicals in the air cause acid rain hurting the animals and plants. With the everincreasing number of vehicles on road, the sound caused by the cars and exhaust system of autos, trucks, buses and motorcycles is the chief reason for noise pollution. Mens activity usually originates pollutants anthropogenic origin, although in some cases natural sources contribute significantly. Pdf environmental pollution causes and consequences. For environmental health science students air pollution mengesha admassu, mamo wubeshet university of gondar in collaboration with the ethiopia public health training initiative, the carter center, the ethiopia ministry of health, and the ethiopia ministry of education august 2006. Environmental pollution is any discharge of material or energy into water, land, or air that causes or may cause acute shortterm or chronic longterm detriment to the earths ecological balance or that lowers the quality of life. Your story matters citation greenstone, michael, and rema hanna. Pollution is a word that you hear almost every day in the news, at school and in daytoday conversations.
With the discovery and increasing use of coal, air. If you want to continue this discussion or have a follow up question, please post it on the network. Smoke belching from the exhausts of lorries and buses is a familiar sight, but did you know that the. Environmental regulations, air and water pollution, and infant mortality in india.
Depending on the pollutant particles size, they can be carried for distances of several thousand correspondence. Scientists are constantly studying how the different types of pollution affect the environment and how it can be controlled. Environmental pollution, types, causes, impact and. Environmental regulations, air and water pollution, and. In particular the focus is on sites in the developing world where toxic pollution has occurred because of industrial activity. Causes and effects of noise pollution major sources of. A comprehensive treatment ofeach ofthese three areas is beyond the scope of a single book, however. The 2012 worlds worst pollution problems report sets out to quantify the human health impacts from major sources of hazardous pollution in low to middleincome countries.
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