Water pollution a free powerpoint ppt presentation displayed as a flash slide show on id. This ppt presentation uploaded by onlinesearch in social issues ppt presentation category is available for free download,and can be used according to your industries like finance, marketing. Water pollution powerpoint template is a white template with a background image of dirty water that you can use to make an elegant and professional ppt presentation. Download premium images you cant get anywhere else. Powerpoint is the worlds most popular presentation software which can let you create professional soil pollution powerpoint presentation easily and in no time. Free pollution stock video footage 208 free downloads. Find highquality water pollution stock photos and editorial news pictures from getty images. Soil pollutants include a large variety of contaminants or chemicals organic and inorganic, which could be both naturallyoccurring in. Soil is the thin layer of organic and inorganic materials that covers the earths rocky surface. Rops and plants grown on polluted soil absorb much of the pollution and then pass these on to us. Feb 10, 2014 the uploader spent hisher valuable time to create this soil pollution powerpoint presentation slides, to share hisher useful content with the world. Soil water is the term for water found in naturally occurring soil.
This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove. Municipal wastewater treatment plants are another common source of pointsource pollution. Most plants require a soil substrate to provide water and nutrients, and whether we farm. Soil pollutants include a large variety of contaminants or chemicals organic and inorganic, which could be both naturally. Soil pollution refers to the contamination of soil with anomalous concentrations of toxic substances. 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. This helps you give your presentation on soil pollution in a conference, a school lecture, a business proposal, in a webinar and business and professional representations the uploader spent hisher valuable time to create this soil. The results showed that cd had the highest pollution rate of 7. Soil pollution is when there are changes in soil caused by the adding or dumping of pollutants. This effects the life in water habitats and even the land habitat. Pollution ppt free download as powerpoint presentation. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. The uploader spent hisher valuable time to create this water pollution powerpoint presentation slides, to share hisher useful content with the world. Soil pollution is defined as the buildup in soils of persistent toxic compounds, chemicals, salts, radioactive materials, or disease causing agents, which have adverse effects on plant growth and animal health.
Ppt water pollution powerpoint presentation free to view. Study the science of environmental pollution with free industrial ppt slides. Free powerpoint presentations about pollution for kids. It causes harmful effect on the soil and the environment. What is soil pollution environmental pollution centers. The environment, reuserecycle, the water cycle, world problems. Free download soil pollution powerpoint presentation slides. Pollutants from agriculture a serious threat to worlds water. Liquid wastes containing toxic chemicals or pathogenic microorganisms on the surface of the land can seep slowly into the soil and may percolate down to contaminate groundwater, which can affect people using springs or wells in the area. Open dumping of municipal solid waste and its hazardous. Land pollution is the result of urban technological revolution and exploitation of every bit of natural resources. An excessive amount of mercury in water can cause minamata disease in humans and dropsy in fishes. For example, exposure to soil containing high concentrations of benzene increases the risk of contracting leukaemia.
Soil contamination, risk assessment and remediation intechopen. Irrigation with sewage water causes profound changes in the irrigated soils. Various compounds get into soil from atmosphere by wind and precipitation, from surface water bodies and shallow ground water flowing through the soil. They also maintain the ecosystems on which all life on earth ultimately depends. The redundant, everincreasing use of chemicals such as pesticides, herbicides, insecticides and fertilizers is one of the main factors causing soil pollution by increasing its salinity making it imperfect for crop bearing and adversely affecting the microorganisms present in the soil, causing the soil to lose its fertility and resulting in the loss of minerals present in the soil, thus. Sep 14, 2017 land pollution ppt and pdf for free download. Mark hodson, soil pollution and its impact on soil life 34 summary pollutants are generated by all sorts of human activities soil pollution is a wide spread problem pollutants have to be bioavailable to cause harm impacts occurs from the molecular to ecosystem scale quantification is by controlled testing and comparisons. Pollution is a change in the characteristics of the air, water, soils, and food that can adversely affect the health, survival or activities of humans or living organisms miller, 1991. This free powerpoint template is perfect for the presentations about the environmental issues and problems of polluted water, industrial waste, types of pollution, causes of water pollution, etc. Because we have given more than 30 ppt in one place. Soil pollution definition, causes, types, effects, and. Soil is defined as the top layer of the earths crust. Water pollution stock pictures, royaltyfree photos. Figure 4f2 illustrates the onfarm hydrologic cycle for irrigated lands, and table 4f1 provides definitions of several terms associated with irrigation.
Depending on the tendency of the contaminants they end up either in water held in the soil or leached to the underground water. Moreover leaking of sewerage system can also affect soil quality and cause soil pollution by changing the chemical composition of the soil. Industrial pollution has contaminated the soil of shuangqiao and affected the drinking water supply for 20 million people, including the residents of changsha, a city with a population of 2. It is a serious environmental concern since it harbours many health hazards. The introduction of substances, biological organisms, or energy into the soil, resulting in a change of the soil quality, powerpoint ppt presentation free to download. Soil pollution causes, effects and what to do about it. A hidden reality food and agriculture organization. Our reactions on these parameters are also very strong because we see the damages and changes occurred by them in our daily lives with very clear and it is a common nature of human beings in believing the things which they see.
Soil pollution is defined as the presence of toxic chemicals pollutants or. Pollution ppt pollution waste free 30day trial scribd. This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful. Soil pollution is defined as the buildup in soils of persistent toxic compounds, chemicals, salts, radioactive materials, or diseasecausing agents, which have adverse effects on plant growth and animal health. Nonpointsource pollution is the opposite of pointsource pollution, with pollutants released in a wide area. It has been receiving more and more toxic substance.
Manmade contaminants are the main causes of soil pollution and consist of a. Land pollution essay and ppt describes the land pollution causes, major sources, how it is affecting us and ways to reduce. Download pollution slides for microsoft powerpoint, make specifically for engineers and chemists. Free air pollution ppt template download free powerpoint ppt. There is urgency in controlling the soil pollution in order to preserve the soil fertility and increase the productivity. Soil pollution definition, causes, types, effects, and control. Industrial wastes such as harmful gases and chemicals, agricultural pesticides, fertilizers and insecticides are the most common causes of soil pollution. Water pollution may either due to natural or man made activities like releasing industrial effluents into nearby water sources. Impact of soil heavy metal pollution on food safety in china. The uploader spent hisher valuable time to create this soil pollution powerpoint presentation slides, to share hisher useful content with the world. 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. Most plants require a soil substrate to provide water and nutrients, and whether we farm the plants directly or consume animals that feed on the. Our reactions on these parameters are also very strong because we see the damages and changes occurred by them in our daily lives with very clear and it is a common nature of human beings in believing the things which.
Water pollution is an undesirable change in the state of water, contaminated with harmful substances. Soil pollution is a result of many activities and experiments done by mankind which end up contaminating the soil. Soil pollution is caused by manmade, harmful chemicals penetrating the earth and causing deterioration. Learn more about its causes, effects and solutions. Pollution is of different kinds depending on the nature of pollutants and pollutions.
Affordable and search from millions of royalty free images, photos and vectors. It contains inorganic matter, organic matter, water, air and many living organisms. When amount of soil contaminants exceed natural levels pollution is generated. This study collected 465 published papers on heavy metal pollution rates the ratio of the samples exceeding the grade ii limits for chinese soils, the soil environmental quality standard1995 in farmland soil throughout china. Our reactions on these parameters are also very strong because we see the damages and changes occurred by them in our daily lives with very clear and it is a common nature of human beings in believing the things which they. Water pollution ppt template 295 views 2 reactions 0 comments mr templates october 9, 2018 powerpoint template description. Powerpoint slide on environmental pollution compiled by roshan rawat. Free download water pollution powerpoint presentation slides.
A number of sources are contributing individually or together. Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment air, water, and soil which can cause harmful effects on various or many forms of life. 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. Point source and nonpoint sources of pollution national. Download ready to use free air pollution ppt template. Soil pollution is not only the problem in india but it is a global problem. An international journal of environmental pollution.
Ppt soil pollution powerpoint presentation free to. Feb 10, 2014 the uploader spent hisher valuable time to create this water pollution powerpoint presentation slides, to share hisher useful content with the world. Here are some of the leading soil pollution causes. Pollution, whenever we talk about pollution then the major things we get in our mind is water pollution and air pollution. Agricultural sources, thermal pollution discharge of hot water by thermal power plants cause deficiency of dissolved oxygen in water and underground water pollution.
Because of its scope, the subject areas are diverse and. Contaminated or polluted soil directly affects human health through direct contact with soil or via inhalation of soil contaminants which have vaporized. There are three main types of soil water gravitational water, capillary water, and hygroscopic water and these terms are defined based on the function of the water in the soil. Soil pollution types, effects, sources and control of soil pollution.
Food safety is a major concern for the chinese public. Soil, water, air, and plants are vital natural resources that help to produce food and fiber for humans. Everything that surrounds us is directly or indi rectly connected to the environment. Irrigation water management soilwaterplant relationships effective and efficient irrigation begins with a basic understanding of the relationships among soil, water, and plants. The designations employed and the presentation of material in this information product do not. Nov 15, 2019 agricultural sources, thermal pollution discharge of hot water by thermal power plants cause deficiency of dissolved oxygen in water and underground water pollution. In many countries the biggest source of water pollution today is agriculture not cities or industry while worldwide, the most common chemical contaminant. The term pollution can be defined as influence of any substance. Soil pollution can have harmful effects on all living.
Air water and soil pollution presentation as part of the eteens think. Make a presentation on natural sciences regarding the chemical composition of pollutants and their effect on the ozone layer. Contaminants like cd, cu, ni, pb and zn can alter the soil chemistry and have an impact on the organisms and plants depending on the soil for nutrition shaylor et al. Soil pollution is when humans introduce harmful objects, chemicals or substances, directly or indirectly into the soil in a way that causes harm to other living things or destroys soil or water ecosystems. Environmental pollution environmental pollution can be defined as any undesirable change in physical, chemical, or biological characteristics of any component of the environment i.
Soil pollution case studyseminar reportpdf download introduction six years after cocacolas bottling plant shut down in indias southern state of kerala, the company continues to face allegations claiming it caused the depletion of groundwater and polluted the water resources. Soil pollution case studyseminar reportpdf download. Water pollution water pollution is the contamination of water bodies e. Effluent from a treatment plant can introduce nutrients and harmful microbes into waterways. Jan 11, 2019 pollution powerpoint presentation free download ppt on environmental pollution and control pollution presentation pdf english lesson plan nios deled lesson plan pollution presentation in english.
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