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Topic: Acid rain

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  Acid Rain - MSN Encarta
Acid Rain, form of air pollution in which airborne acids produced by electric utility plants and other sources fall to Earth in distant regions.
Rain, snow, and fog formed in regions free of acid pollutants are slightly acidic, having a pH near 5.6.
Acid rain has been linked to widespread environmental damage, including soil and plant degradation, depleted life in lakes and streams, and erosion of human-made structures.
encarta.msn.com /encyclopedia_761578185/Acid_Rain.html   (830 words)

 Maine DEP Air Qiaulity Acid Rain
Acid deposition may occur as a result of precipitation such as rain, snow, sleet, hail, or fog; acid deposition may also occur as dry particles or dust settling out of the atmosphere.
The man-made component of acid deposition is principally derived from fossil fuel combustion; that is the combustion of coal, oil, or gas in utility and factory boilers, exhausted from smokestacks, and gasoline and diesel fuel from cars, buses and trucks exhausting through tailpipes.
Acid deposition damages man-made structures as well; limestone, marble, and sandstone are susceptible to damage from acid deposition, as are metals, paints, textiles and ceramics.
www.maine.gov /dep/air/acidrain   (1164 words)

 ScienceMaster - JumpStart - Acid Rain
Acid rain causes acidification of lakes and streams and contributes to damage of trees at high elevations (for example, red spruce trees above 2,000 feet in elevation).
Acid rain primarily affects sensitive bodies of water, that is, those that rest atop soil with a limited ability to neutralize acidic compounds (called "buffering capacity").
Acid rain has been implicated in contributing to forest degradation, especially in high-elevation spruce trees that populate the ridges of the Appalachian Mountains from Maine to Georgia, including national park areas such as the Shenandoah and Great Smoky Mountain national parks.
www.sciencemaster.com /jump/earth/acid_rain.php   (1915 words)

 acid rain
Acid rain is caused when pollutants such as sulfur dioxide dissolve in water in the atmosphere and return to earth in the form of acidic rain or snow.
Acid rain is formed when emissions from fossil-fueled power plants, automobile exhausts and other industrial facilities combine with oxygen and water vapor in the air, forming sulfuric and nitric acids.
These acids combine with moisture in the air (groundwater sources that have evaporated and condensed) to produce acid rain, snow, etc. Since there is usually more sunlight in the summer months, acid rain tends to be more acidic in the summer.
www.student.loretto.org /sjudd/acid_rain.htm   (2795 words)

 WDNR - Acid rain in Wisconsin
While pure rain is naturally slightly acidic, the higher level of acidity in acid rain makes it a threat to plant and aquatic life and to some manmade materials and structures.
Acid rain, however, is the result of sulfur dioxide and nitrogen oxides entering the atmosphere.
Long-term exposure to acid aerosols is known to damage lung tissue and contribute to the development of respiratory diseases such as asthma and chronic bronchitis, especially in children and the elderly.
www.dnr.state.wi.us /org/aw/air/health/acidrain.htm   (1808 words)

 Acid Rain
Acid rain also contributes to the deterioration of limestone and marble statues and monuments.
Acid rain is more correctly referred to as acid deposition because the acid can also be removed from the air in forms other than rain, such as snow, drizzle, dew, fog, and as dry dust.
Airborne acids not only acidify water, causing some species of fish to die-off, it also strips essential nutrients for vegetation from soils, causing many plants/trees to become more susceptible to damage from insects, freezes, and air pollution (ozone).
www.des.state.nh.us /ard/acidRain.htm   (712 words)

 Acid Rain
Acid rain or acid snow is a direct result of the method that the atmosphere cleans itself.
These sulfuric acid droplets are one component of the summertime haze in the eastern U.S. Some sulfuric acid is formed directly in the water droplets from the reaction of sulfur dioxide and hydrogen peroxide.
Acid precipitation in the range of 4.2-5.0 has been recorded in most of the Eastern United States and Canada.
www.elmhurst.edu /~chm/vchembook/190acidrain.html   (544 words)

 What is Acid Rain?
Acid rain is much, much weaker than this, never acidic enough to burn your skin.
Acid rain can be carried great distances in the atmosphere, not just between countries but also from continent to continent.
It was in southern Scandinavia in the late 1950's that the problems of acid rain were first observed and it was then that people began to realise that the origins of this pollution were far away in Britain and Northern Europe.
www.yptenc.org.uk /docs/factsheets/env_facts/acid_rain.html   (1481 words)

 Acid Rain
Acid rain is only one form of pollution that results from burning fossil fuels.
Caused by air pollution, acid rain's spread and damage involves weather, chemistry, soil, and the life cycles of plants and animals on the land and from acid rain in the water.
Acid rain usually forms high in the clouds where sulfur dioxide and nitrogen oxides react with water, oxygen, and oxidants.
www.healthgoods.com /Education/Environment_Information/Acid_Rain/acid_rain.htm   (1322 words)

 Acid Rain Home | Acid Rain | US EPA   (Site not responding. Last check: 2007-10-22)
Acid rain is a serious environmental problem that affects large parts of the United States and Canada.
Acid rain is particularly damaging to lakes, streams, and forests and the plants and animals that live in these ecosystems.
You can also find information about acid rain where you live, numerous educational resources, and other sources of information on acid rain.
www.epa.gov /airmarkets/acidrain   (75 words)

 Clear The Air | Acid Rain
This acid precipitation (known as "acid rain") is often carried hundreds of miles by the wind.
Acid rain damages forests and causes lakes and streams to become acidic, killing the fish.
Acid rain is the term used to describe wet, dry and fog deposition of sulfates and nitrates.
www.cleartheair.org /acidrain   (324 words)

 Acid Rain
Acid rain is caused by the release of the gases SO2 (sulphur dioxide) and NOX (nitrous oxides).
It seems likely that acid rain weakens the trees, perhaps helped by other pollutants such as ozone, and then leaves the trees open to attack by disease.
Acid particles in the air are suspected of contributing to respiratory problems in people.
www.botany.uwc.ac.za /Envfacts/facts/acidrain.htm   (880 words)

 Acid Rain Questions and Answers   (Site not responding. Last check: 2007-10-22)
Acid rain, or precipitation, comes in many forms: rain, snow, sleet, hail and fog, and as deposits of acid particles, aerosols and gases.
The EPA's acid rain data for 2000 show that Ohio's emissions of sulfur dioxide and nitrogen oxides are four times greater than New York State's level.
Governor Pataki's acid rain initiative is helping New York lead the nation in the fight against acid rain.
www.dec.state.ny.us /website/dar/ood/acidrain.html   (1207 words)

 Acid Rain   (Site not responding. Last check: 2007-10-22)
Rain is naturally acidic because carbon dioxide, found normally in the earth's atmosphere, reacts with water to form carbonic acid.
Acid rain affects lakes, streams, rivers, bays, ponds and other bodies of water by increasing their acidity until fish and other aquatic creatures can no longer live.
The acid rain releases these metals and they stunt the growth of trees and other plants and also that of mosses, algae, nitrogen-fixing bacteria and fungi needed for forest growth.
www.lehigh.edu /~kaf3/books/reporting/acid.html   (996 words)

 8(h) Acid Precipitation
The term acid precipitation is used to specifically describe wet forms of acid pollution that can be found in rain, sleet, snow, fog, and cloud vapor.
The severity of the impact of acid deposition on vegetation is greatly dependent on the type of soil the plants grow in.
Acid precipitation can cause direct damage to the foliage on plants especially when the precipitation is in the form of fog or cloud water which is up to ten times more acidic than rainfall.
www.physicalgeography.net /fundamentals/8h.html   (1759 words)

 Air Pollution -- Acid Rain
Acid rain (or acid deposition, as it's called in technical circles) is produced by the burning of fossil fuels.
It is formed when emissions of sulfur dioxide and nitrogen oxides react in the atmosphere with water, oxygen and oxidants to form various acidic compounds.
Acid rain acidifies lakes and streams and contributes to damage of trees at high elevations.
www.cleanairtrust.org /acidrain.html   (144 words)

 Acid Rain
Although sulfuric acid may be produced naturally in small quantities from biological decay and volcanic activity (Figure 1), it is produced almost entirely by human activity, especially the combustion of sulfur-containing fossil fuels in power plants.
Acid rain triggers a number of inorganic and biochemical reactions with deleterious environmental effects, making this a growing environmental problem worldwide.
Regions exposed to direct downpour of acid rain are highly susceptible to erosion, but regions that are more sheltered from water flow (such as under eaves and overhangs of limestone buildings) are much better preserved.
www.chemistry.wustl.edu /~edudev/LabTutorials/Water/FreshWater/acidrain.html   (1903 words)

 The Environmental Literacy Council - Acid Rain
Rain water is naturally acidic, because carbon dioxide in the atmosphere combines with water molecules to form carbonic acid.
To be considered acid precipitation, the precipitation has to have a pH of 5.0 or lower.
According to researchers, rates of acidic deposition from the atmosphere ('acid rain') have decreased throughout North America and Europe and lakes and streams are beginning to recover.
www.enviroliteracy.org /article.php/2.html   (1637 words)

 Acid Rain
Acid deposition can reach the surface in the form of rain, snow, fog, or dust (which is known as dry deposition.) Rain with a pH below 5.6 is commonly called acid rain.
Acid rain reaches freshwater environments through direct precipitation, runoff, and drainage.
This is due to the reaction of naturally occurring atmospheric carbon dioxide with water vapor to produce carbonic acid.
plaza.ufl.edu /kirch119/acidrain.htm   (493 words)

 Atmospheric Science Division - Acid Rain FAQ
This section explains what acid rain is, where it comes from, and what its effects are.
Acid deposition - commonly called acid rain - is caused by emissions of sulphur dioxide and nitrogen oxides.
At first, the effects of acid deposition may be almost imperceptible, but as acidity increases, more and more species of plants and animals decline or disappear.
www.ns.ec.gc.ca /msc/as/acidfaq.html   (1365 words)

 Citizens Campaign for the Environment
Acid rain is created when fossil fuels are burned, primarily in electric power plants and automobiles, producing sulfur dioxide and nitrogen oxides.
Acid rain also affects water quality in coastal estuaries such as the Long Island Sound, where nitric acids add to the problem of low dissolved oxygen, known as hypoxia.
CCE advocates a national approach to solving the acid rain problem that is based on reducing the emissions of sulfur and nitrogen from major sources such as electric power plants.
www.citizenscampaign.org /campaigns/acid_rain.htm   (1015 words)

 Acid Rain
Rain from an unpolluted atmosphere has a pH close to 6.0 which is due to the reaction of water vapour and carbon dioxide (CO) in the atmosphere forming dilute carbonic acid (H
Acid rain has a pH below 5.6 due mainly to the reaction of water vapour with sulfur dioxide and the oxides of nitrogen.
Acid rain is a form of environmental pollution that damages buildings and marble statues by reacting with the calcium carbonate to form soluble calcium hydrogen carbonate (calcium bicarbonate, Ca(HCO
www.ausetute.com.au /acidrain.html   (506 words)

 Cornell News: acid rain birds
Acid rain is the broad term used to describe several ways that a weak solution of inorganic acids, such as nitric and sulfuric acid, falls out of the atmosphere as rain, snow, mist and fog.
Cornell ecologists used the data collected in sophisticated statistical analyses to produce a model that predicted where acid rain's effects might be most severe for a bird whose life and reproductive success depend on food it finds on the forest floor.
The negative effects of acid rain might also be heightened by such factors as high elevation and habitat fragmentation.
www.news.cornell.edu /releases/Aug02/acid_rain_birds.hrs.html   (1010 words)

 Acid Rain Topics
Acid rain is a widespread term used to describe all forms of acid precipitation (rain, snow, hail, fog, etc.).
Atmospheric pollutants, particularly oxides of sulphur and nitrogen, can cause precipitation to become more acidic when converted to sulphuric and nitric acids, hence the term acid rain.
Acid deposition, acid rain and acid precipitation all relate to the chemistry of air pollution and moisture in the atmosphere.
www.ace.mmu.ac.uk /eae/Acid_Rain/acid_rain.html   (90 words)

 Acid Rain and Acid Deposition in New York State
Acid rain is a by-product of our industrialized society.
Discussions and reports about acid rain often use the terms acid deposition or atmospheric deposition to describe this return of airborne pollutants to earth.
The soil and bedrock in these areas are not able to counteract the acid in the rain and snow.
www.dec.state.ny.us /website/dar/baqs/acidrain/index.html   (312 words)

 Environmental Biology Sequence - Acid Rain
Acid rain is formed when fossil fuels such as coal, oil, and natural gas are burned.
Acid deposition is concentrated downwind of areas with large concentrations of power plants.
Acid rain caused billions of dollars of damage in Europe in 1990 alone.
www.marietta.edu /~biol/102/arain.html   (605 words)

 acid rain
Acid rain is one of the most dangerous and widespread forms of pollution.
Technically, acid rain is rain that has a larger amount of acid in it than what is normal.
Acid rain is caused by smoke and gases that are given off by factories and cars that run on fossil fuels.
www.geocities.com /narilily/acidrain.html   (823 words)

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