objectives about water pollution

ȃz�i�;�s�G� �=T�KP > B3�u������>�,�2x�����q��I�c ���yt�|&�{ ��*��7��������i�`��Ϣs��WP���@�� �(��N�B���O�~��}����Z����� Waterborne diseases from water pollution kill millions of people in undeveloped countries every year. Humans who come in contact with polluted waters and affected fish can also experience harmful symptoms. OBJECTIVES A. Eleven workers were killed. In underdeveloped countries, raw sewage is dumped into the same water that people drink and bathe in. The economic and environmental impact of this spill will be felt for many years. The main purpose of stationary pollution source monitoring is to preserve water quality of the water areas by confirming that the wastewater discharged from factories and establishments complies with the effluent standards and total pollutant load standards. Things like greenhouse gases and car exhaust are the most common causes for air pollution. A large proportion of the fish we rely on for food live in the coastal wetlands or lay their eggs there. Marine dumping. Learning Objectives. With such low numbers, rebuilding their populations after the spill will be difficult. In underdeveloped countries, raw sewage is dumped into the same water that people drink and bathe in. Everyday, garbage such as plastic, paper, aluminum, food, glass, or rubber are deposited into the sea. These pelicans are waiting for cleanup. Objectives: The students will develop a definition of water pollution that will be used for this series of lessons. The danger was never more obvious than on April 20, 2010, when 11 workers were killed and 17 injured in an explosion on a deepwater oil rig in the Gulf of Mexico (Figure below). The high density of animals in a factory farm means that runoff from the area is full of pollutants. Commercial fishing, tourism, and oil-related jobs are the economic engines of the region. - Definition, Sources & Types. 0000001857 00000 n Pollution of water is the presence of some foreign organic, inorganic, biological, radiological or physical substances in the water. Wastewater discharged from factories and establishments is often discharged into public water areas such as rivers, and sometimes reaches underground water. The endangered Kemp’s Ridley turtle breeds only around the Gulf of Mexico. Even in developed countries, water pollution affects human and environmental health. By linking the exposure to health outcomes, new exposure-response relationships are determined of health effects for different popultion Groups (e.g. �G���#00����d�����wԹ�{9��B"�T��c�Z�����i 0000029387 00000 n This means that one or more substances have built up in water to the extent of causing problems to people, animals and plants. List and briefly describe eight categories of water pollutants. 0000021315 00000 n Aquatic organisms are often sensitive to even small temperature changes. Machines that can separate oil from the water are placed aboard ships stationed in the area. trailer Rivers that drain regions where human population density is high and where crops are grown create dead zones all over the world (Figure below). The Gulf of Mexico is one of only two places in the world where bluefin tuna spawn and they are also already endangered. Real estate prices along the Gulf have declined precipitously. New drilling techniques have allowed oil companies to drill in deeper waters than ever before. The original well was declared effectively dead on September 19, 2010. 0000072827 00000 n A National Geographic video, Why the Ocean Matters, has beautiful footage and a brief introduction to some of the problems facing the seas: http://video.nationalgeographic.com/video/player/environment/. Photo by CC0 on Canva. %%EOF One of the most destructive types is Petroleum Pollution. These ships cleaned tens of thousands of barrels of contaminated seawater each day. Coastal pollution can make coastal water unsafe for humans and wildlife. Sewage disposal (some sewage is inadequately treated or untreated). Red dots show the location and size of the dead zone; black circles show the location but the size is unknown. Water pollution is a major environmental issue in India. So, if the water is released on a regular basis it will also help to improve the quality of the water and reduce the pollution level in the water. When entities containing high quantities of nutrients, such as fertilizers, domestic wastewater and sewage, enter the water bodies, these support the growth of various types of weed, algae, and other plants that are harmful to the water body. x�|| @י�{s�����!�� !h��`0�X2�`����6>��;���]�I�mݦ!��⤇�:��m�����O�6��i�d�����H8����߼��ތf������o � Ӏ]�=�0?��Ѧwhl�x�x� x�О��/o�E��j�7 t.:>�e��͙�j��oZ���H��4�,F*��@�yt�;�vm�1�>sg^������*��׏m��ߧ��1�c����� n߹i���~� ��G X]H��4�d���eZ���V���e ������Y�(/������/g�����v"�?�Ϡ�� Industrial waste affects drinking water, there can be done to reduce the number of pathogens that reach fresh. Many different contaminants from many different homes, businesses, and municipal sources produce water. Air pollution surface looks like calmer water June 21, 2010 and may lead to a great.! A dead zone is an area of hundreds of kilometers of ocean without or! And originates as agricultural, industrial, and the environment shortages by making water. 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