supplies us with oxygen which is essential for our bodies. Air contains a variable amount of water vapor‚ on average around 1%‚ while air content and atmospheric pressure varies at different layers‚ air suitable for the survival of terrestrial plants and terrestrial animals is currently only known to be found in Earth’s troposphere and artificial atmospheres. Air is made up of 99% nitrogen‚ oxygen‚ water vapor‚ and inert gases. Nowadays‚ the air we breathe is contaminated with harmful chemicals that
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Vehicle Pollution Introduction Urban areas - both developed and developing countries‚ this predominately mobile or vehicular pollution that contributes to air quality problems. All motor vehicles exhaust fumes coming out of the tailpipe when the engine is running mostly through the air pollution issue. Tailpipe emissions of vehicle engines burning fuel‚ the products are emitted from vehicle exhaust system. Vehicular pollution is the worst thing about that as vehicular emissions at ground
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man has polluted all the three realms of the earth-lithosphere‚hydrosphere & atmosphere.it is essential for us to know about environment & its pollution. In this presentation we will be able to know about- •Environment •Biosphere •Ecosystem model •Atmosphere •Atmospheric pollution •Primary & secondary pollutants •Acid rain •Ozone depletion •Green house effect •Noise pollution That which surrounds‚ the total sum of the condition of the surroundings within which an organism‚ or group‚ or an object
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(SPM) Oxides of nitrogen (NOx) Hydrocarbons (HC) Polynuclear aromatic hydrocarbons (PAHs) 2005 Air Toxic Emissions from On-road Mobile Sources (Tox-weighted) Affects of Automobile Pollution 1. In India about 15-20 million people are asthmatic because of emission of automobile pollution. 2. N02 is a highly toxic gas and attacks the lungs causing lung cancer and emphysema. 3. Automobile pollutants interferes the development and functioning of the nervous system. 4. Some diseases
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journey to the Arabian Sea at Cochin river is enriched with water of minor tributaries like Muthayar‚ Perunthuraiar‚ Chinnar‚ Cheruthony‚ Kattappanayar and Edamalayar at different junctures. It plays a major role in power generation ‚domestic water supply‚irrigation‚tourism‚fisheries etc. IDUKKI DAM The idukki dam on the periyar generates a significant proportion of kerala’s Electrical power. The river serves as the major water source for five drought-prone districts in the state of Tamil
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Background The overuse of plastics in today’s society has become major environmental issue for our oceans. Plastic pollution is the dumping‚ littering‚ or disposing of any type of man-made plastic that has been produced and has ended up in our ocean and has not been recycled. History of Plastic "Plastic" entered the world through chemistry in 1909 and was originally coined to describe Bakelite‚ the first fully synthetic resin. What make’s plastic so unique is when it is heated it can be molded
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Plastic Pollution in Hawai’i Plastic plays a big part of our lives. The food we eat is wrapped with it‚ the toys our siblings or children play with is made from it‚ the television we watch is made with it‚ we play video games with plastic controllers‚ we listen to music with plastic head phones and the shelves we use is made with plastic. Material items made with plastic can be useful‚ cheaper‚ and durable but it can also harm the environment. All of these plastic items don’t just disappear
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Topic: Pollution is becoming serious in our country‚ especially in the big city. Discuss some possible causes leading to this situation. Pollution is now one of the most serious environmental problems in our country‚ especially in big cities. Many projects have been carried out to deal with this problem but there does not seem a lot of improvement to be brought about. As far as the causes of this issue are concerned‚ three reasons can be looked into: bad waste disposal system‚ the rapid increase
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conflicts in the South Durban Basin: Integrating residents’ perceptions and concerns resulting from air pollution Jyoti Jaggernath* Abstract With a complex mix of large scale industries and major transport networks‚ the South Durban Basin (SDB) residential area has been subjected to a considerable amount of environmental impacts and conflicts. A major concern in the area is the effects of air pollution on human health and ecology that are caused by the emissions of unacceptable levels of toxins‚ chemical
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Introduction Environmental Pollution is one of the biggest challenges faced by most societies in this modern era. It has become a paradox of our time that urbanization and development be associated with environmental degradation. In man’s quest for social growth‚ nonchalance to nature’s laws have set in and this has disturbed a number of natural phenomena. The industrial revolution has brought with it technological advancement‚ such as the discovery of oil and fossil fuels and its virtually universal
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