Latest Acid rain Stories

2011-03-30 14:17:17

Programs that allow facilities to buy and sell emission allowances have been popular and effective since they were introduced in the U.S. two decades ago. But critics worry the approach can create heavily polluted "hot spots" in low-income and minority communities. A new study by Evan Ringquist, professor in the Indiana University School of Public and Environmental Affairs, finds the problem hasn't materialized -- that the efficiency gains of allowance trading have not come at the expense of...

2011-01-06 09:23:00

KNOXVILLE, Tenn., Jan. 6, 2011 /PRNewswire-USNewswire/ -- A federal study shows Tennessee Valley Authority power plants have reduced emissions of two key acid rain components to a fraction of what was being released 30 years ago, and at a rate faster than the national average for the industry. (Logo: http://photos.prnewswire.com/prnh/20100304/TVALOGO) The study released Dec. 20 by the Environmental Protection Agency touted the success of the Acid Rain Program, designed to reduce...

2010-10-21 14:58:17

Converting acid rain chemicals into useful products Power plants that burn fossil fuels remain the main source of electricity generation across the globe. Modern power plants have scrubbers to remove sulfur compounds from their flue gases, which has helped reduce the problem of acid rain. Now, researchers in India have devised a way to convert the waste material produced by the scrubbing process into value-added products. They describe details in the International Journal of Environment and...

2010-07-23 12:10:00

Marks 20th Settlement Under United States' Power Plant Enforcement Initiative WASHINGTON, July 23, /PRNewswire-USNewswire/ -- Hoosier Energy Rural Electric Cooperative Inc., an Indiana electric generation and transmission cooperative, has agreed to install state-of-the-art pollution control technology at its two coal-fired power plants in Indiana, the Justice Department and Environmental Protection Agency (EPA) announced today. The settlement, filed in federal court today, will reduce...

2010-07-06 09:39:17

Road surfaces can make a big contribution to local air purity. This conclusion can be drawn from the first test results on a road surface of air purifying concrete. This material reduces the concentration of nitrogen oxides (NOx) by 25 to 45 percent, said Prof. Jos Brouwers in his inaugural lecture last Friday. The tests were carried out in the municipality of Hengelo, where the busy Castorweg road was resurfaced last fall. As part of the project, around 1,000 square meters of the road's...

2010-06-11 14:53:00

HARRIMAN, Tenn., June 11 /PRNewswire-USNewswire/ -- The Tennessee Valley Authority will begin operating two recently completed scrubbers next week at its Kingston Fossil Plant, reducing sulfur dioxide emissions up to 95 percent. (Logo: http://photos.prnewswire.com/prnh/20100304/TVALOGO ) This gives TVA a total of 10 scrubbers installed at five of its 11 coal-fired power plants. A scrubber removes sulfur dioxide emissions by routing flue gases produced from burning coal through a...

2010-05-18 15:07:00

Emissions to be cut by more than 34,000 tons annually WASHINGTON, May 18 /PRNewswire-USNewswire/ -- American Municipal Power (AMP), an Ohio non-profit utility, will permanently retire its Richard H. Gorsuch Station coal-fired power plant near Marietta under a settlement to resolve violations of the Clean Air Act, the Justice Department and U.S. Environmental Protection Agency (EPA) announced today. As part of the settlement, AMP will also spend $15 million on an environmental mitigation...

2010-04-22 16:00:00

Pollen counts are hovering at record levels in the United States. A massive plume of ash "” released by a volcano with a tongue-twister of a name "” is causing havoc across Europe. Parts of the Himalayas are bathed in soot levels comparable to those found over major cities. Details about all of those events "” and much more "” are available from the Smog Blog, a website that monitors air pollution much like meteorologists track the daily weather. The blog, managed by...

2010-01-25 09:59:00

Emissions to be Cut by more than 75,000 Tons Annually WASHINGTON, Jan. 25 /PRNewswire-USNewswire/ -- Westar Energy has agreed to spend approximately $500 million to significantly reduce harmful air pollution from a Kansas power plant and pay a $3 million civil penalty, under a settlement to resolve violations of the Clean Air Act, the Justice Department and the U.S. Environmental Protection Agency (EPA) announced today. As part of the settlement, Westar will also spend $6 million on...

2010-01-21 12:41:00

WASHINGTON, Jan. 21 /PRNewswire-USNewswire/ -- The United States today filed two major Clean Air Act settlements to reduce air emissions from container glass and Portland cement plants throughout the country, announced Ignacia S. Moreno, Assistant Attorney General for the Environment and Natural Resources Division and Cynthia Giles, Assistant Administrator for the U.S. Environmental Protection Agency's (EPA) Office of Enforcement and Compliance Assurance. The settlements cover 15 U.S....

Latest Acid rain Reference Libraries

Acid Rain
2013-04-01 10:21:17

Acid rain is any form of precipitation that is unusually acidic, meaning that is possesses high levels of hydrogen ions. It can have harmful effects on aquatic animals, plants, and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules within the atmosphere to produce acids. Nitrogen oxides can be produced naturally by lightening strikes. Sulfur dioxide can be produced naturally by volcanic eruptions. The chemicals that are...

2009-07-04 16:31:47

Rain is a type of liquid precipitation. It is defined as condensation of atmospheric water vapor that forms into drops that become heavy enough to fall, and often making it to the surface. Rain is the primary source of most of the fresh water in the world. Rain provides suitable conditions for diverse ecosystems, water for power sources and for crop irrigation. Not all rain reaches the surface. Some rain evaporates as it falls, especially through dry air. This type of rainfall is known as...

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Word of the Day
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.