Pollution refers to the very bad condition of environment in terms of quantity and quality. Mapping urban air pollution using gis 701 improve upon this situation. Describe the location of a city in an neelic you have studied. Land pollution essay and ppt describes the land pollution causes, major sources, how it is affecting us and ways to reduce. Water pollution power point presentation at present, water scarcity is a global difficulty in a world because many countries are suffering from this difficulty as many freshwater bodies, oceans and seas are polluted by humankind. Urban air consists in a complex mixture of chemicals and carcinogens and its effects on health can be summarized in acute respiratory effects, neoplastic nonneoplastic e. Construction of buildings, highways, and streets cause a lot of noise, due to the usage of air compressors, bulldozers, loaders, dump trucks, and pavement breakers. Carbon monoxide co co is a colorless, odorless, toxic yet nonirrigation gas. This report is intended as an initial effort to remedy that situation. Imagine a river that flows through an area of land on the edges of a town. Urban air pollution in developing country megacities. Pollution causes degradation in the natural quality of the environment and can offend the senses of sight, taste or. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
A powerpoint presentation video made on water pollution topic for students guidance and knowledge. New cities, such as the innovative ecotowns in japan and ecocities in the peoples republic of china prc, have begun to put into action a sustainable urban development model. With the growth of cities and industrialisation urban waste and pollution are an important part of history. Ppt water pollution powerpoint presentation free to. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Ppt the urban environment powerpoint presentation free. The first edition of the urban pollution management manual was published in november 1994 following a major research and development programme that was sponsored by the whole of the uk water industry. Xingtai handan, but significant levels extend throughout the interior, which is consistent with previous satellite and modeling estimates 11. Urban forestry presentations that have downloadable powerpoint or pdf copies that you may use asis, or modify for your local community. How integrated urban planning can help to reduce air pollution in cities gulnara roll, head, housing and land management unit unece economic cooperation, trade and sustainable land management division ece convention on longrange transboundary air pollution special session integrated and crosssectoral policymaking on.
Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. In urban areas between 80 and 97% of eu population is exposed to levels. A rise in the optimum water temperature through a method steel factories, power homes, and energy plants might even be. Runoff from urban lawns and farmlands are examples of nonpoint source pollution. Find powerpoint presentations and slides using the power of, find free presentations research about polution in urban areas ppt. Urban forestry presentations may be connected with an event in the event calendar and also with the ufse speakers database. It is a product by incomplete combustion of fuel such as natural gas, coal or wood.
Each and every type of pollution has its own consequences and its own causes. Indoor air pollution 2 000 000 deaths from ari in pollution in terms of ambient concentrations, thus, we use the term concentrationresponse rather than exposureresponse to describe the risk function. Global report on human settlements 2007 was prepared under the general guidance of two successive directors of the monitoring and research division, unhabitat. Sources of noise pollution transportation systems are the main source of noise pollution in urban areas. Air pollution represents a health risk for people living in urban environment. Urban air pollution in developing country megacities michael p.
View and download powerpoint presentations on polution in urban areas ppt. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution, industrial wastes, nutrient enrichment, acid rain. This chapter describes our approach to estimating the attributable fraction and presents our estimates of the attributable burden of disease caused by urban air pollution. Or they may be independent of the event calendar in which case the event and speaker details are listed in the detailed presentation. These problems can be clearly seen in urban chinese cities, most recently with the first ever red. Reports typically include findings, conclusions, and recommendations based on information gathered by the committee and the committees deliberations. Air pollution is extensive in china, with the highest particulate concentrations observed south of beijing e. Powerpoint slide on environmental pollution compiled by roshan rawat. United nations environment programme 2017 towards a pollutionfree planet. Pollution pollution is the introduction of contaminants into a natural environment that causes instability, disorder, harm or discomfort to the ecosystem i. Vehicular exhaust is a major source of carbon monoxide.
Enhancing urban safety and security united nations. Pollution causes degradation in the natural quality of the environment and can offend the senses of sight, taste or smell and can cause a health hazard. Industrial noise also adds to the already unfavorable state of noise pollution. Without pollution control, the waster products from consumptions, heating, agriculture, mining, manufacturing, transportation and other human activities, whether they accumulate or disperse, will. America and western europe, indicates that urban air pollution causes a spectrum of effects on. Types of pollution there are five types of pollution air pollution water pollution noise pollution land pollution radio active pollution 5. Between 2001 and 2010, urban water use ranged from 8. A free powerpoint ppt presentation displayed as a flash slide show on id. The spatial analysis and overlay techniques available in gis also provide powerful tools for pollution mapping. A systematic approach to controlling urban air pollution from.
The land market functions tradability land is efficiently used coase theorem p3. Pollution control means to control the emissions and effluents into the air, water and land or soil. When the quality of water is degraded as results of modification in close water temperature its referred to as pollution that affects the water quality and that type water termed anomaly for consumption is significantly for drinking purpose. European green capital award nantes 2012 20 1 in total. Let us consider the human activity that could have caused the pollution.
It can have an adverse effect on the psychological and mental well being of the. Land pollution is the result of urban technological revolution and exploitation of every bit of natural resources. Study of pollution aids in understanding basics of pollution and also helps to generate set of rules for each and every type of pollution. First, the exposure to urban air pollution of the population of each sub. A number of sources are contributing individually or together. Distinct types of pollution are classified depending on the affected part of an environment. Classify each of the potential pollution sources listed below as point source ps or nonpoint source nps. What is atmosphere atmosphere is the life blanket of earth. Pdf causes, consequences and control of air pollution. Effects of compact urban development on air pollution mdpi. Digital data on urban road networks, for example, are now becoming increasingly available, providing a valuable data source for pollution modelling.
Pollution contamination or undesirable changes in the physical, chemical or biological characteristics of air, water or land that can negatively affect living things. Urban water conservation and efficiency potential in. Pollutant definition a pollutant is a was e m water or soil 4 u es air, substance or energy introduced into the environment that has undesired effects, or adversely affects the of a resource a pollutant may cause long or shortterm damage by changing the growth rate of plant or animal species, or by interfering with. Chapter 17 urban air pollution world health organization. Today the most urbanized regions include north america. Five ideal principles about land for urban development p1. Volatile organic compounds vocs are a wellknown outdoor air pollutant. Impacts of vegetation on urban air pollution uk air department. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Consensus study reports published by the national academies of sciences, engineering, and medicine document the evidencebased consensus on the studys statement of task by an authoring committee of experts. Urban growth has caused many environmental problems, especially urban sprawl which leads to loss of green open spaces and an increase in. Industrial pollution is probably an even more serious problem leading to potentially poisoning the air, water and soil. It is the contaminants of air by the discharge of detrimental substances. Noise pollution can be defined as the excessive noise that disturbs the activities of animals or humans.
Air pollution is the presence of one or more disadvantageous content in such quantity and for such duration, as it is catastrophic, or tend to be catastrophic, to human health and welfare, animal or plant life. Types of pollution ppt powerpoint presentation pdf. Water pollution is the impure or unclean state of all water bodies like lakes, rivers, groundwater, aquifers, and oceans. Of the water delivered to urban areas each year, most is used in and around our homes, with residential water use. Land is available for urban expansion formal response to demand p2. The major sources of this pollution come from the motor vehicle engines, trains, aircraft, transportation systems, and systems. Appropriate instruments are used to plan for urban expansion and address landuse externalities sustainable planning and.
543 743 35 1124 972 1187 771 613 1234 960 859 717 989 242 954 1268 517 762 464 735 661 385 344 194 324 428 723 743 265 373