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2010-03-03 11:14:50

Chemicals that helped solve a global environmental crisis in the 1990s "” the hole in Earth's protective ozone layer "” may be making another problem "” acid rain "” worse, scientists are reporting. Their study on the chemicals that replaced the ozone-destroying chlorofluorocarbons (CFCs) once used in aerosol spray cans, air conditioners, refrigerators, and other products, appears in ACS' Journal of Physical Chemistry A, a weekly publication. Jeffrey Gaffney, Carrie J....

2010-02-17 09:30:00

Blockbuster disclosures of IPCC flawed information - more Congressmen join legal action ATLANTA and WASHINGTON, Feb. 17 /PRNewswire-USNewswire/ -- Following on the heels of last week's Petition for Judicial Review filed with the U.S. Court of Appeals for the District of Columbia and the December 23, 2009 filing of a 28-page Petition for Reconsideration with the U.S. Environmental Protection Agency, the Southeastern Legal Foundation (SLF) today filed an important Third Amendment to the...

2010-02-04 07:15:00

SILVER SPRING, Md., Feb. 4 /PRNewswire/ -- Costco.com now sells the world's first CarbonFree® Certified carbon neutral paper shredder, made by GoECOlife(TM). The paper shredder has earned Carbonfund.org's CarbonFree® Certified Label, the world's leading carbon neutral product label and the first in the U.S. To earn the CarbonFree® Product Certification, the GoECOlife(TM) SOHO 8-Sheet ULTRA-QUIET(TM) Paper Shredder underwent a rigorous...

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2010-02-04 08:22:00

Scientists in Texas are reporting that a technique used in the search for new drugs could also be used in the quest to discover new, environmentally friendly materials for fighting global warming. Such materials could be used to capture the greenhouse gas carbon dioxide from industrial smokestacks and other fixed sources before it enters the biosphere. The new study appears in ACS' bi-monthly journal Energy & Fuels. Michael Drummond and colleagues Angela Wilson and Tom Cundari note that...

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2010-01-26 09:46:44

A study published this week in the journal Proceedings of the National Academy of Sciences (PNAS) provides new information about the rates at which three of the most powerful greenhouse gases are destroyed by a chemical reaction that takes place in the upper atmosphere. The three compounds are potentially important because they absorb infrared energy in the so-called "atmospheric window" region "“ at wavelengths where other major greenhouse gases such as carbon dioxide allow radiation...

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2009-12-16 07:29:04

Researchers studying carbon dioxide, a leading greenhouse gas and a key driver of global climate change, now have a new tool at their disposal: daily global measurements of carbon dioxide in a key part of our atmosphere. The data are courtesy of the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua spacecraft. Moustafa Chahine, the instrument's science team leader at NASA's Jet Propulsion Laboratory, Pasadena, Calif., unveiled the new product at a briefing on recent breakthroughs...

2009-11-23 16:20:27

Tool for estimating size of greenhouse gas-trapping reservoirs to be presented A team of researchers at the Massachusetts Institute of Technology has developed a new modeling methodology for determining the capacity and assessing the risks of leakage of potential underground carbon-dioxide reservoirs. One strategy for mitigating greenhouse gases is to inject compressed carbon dioxide into natural aquifers made of permeable rock soaked with brackish salt water. Carbon dioxide is less viscous...

2009-11-17 10:53:19

A new study indicates that major chemicals most often cited as leading causes of climate change, such as carbon dioxide and methane, are outclassed in their warming potential by compounds receiving less attention. Purdue University and NASA examined more than a dozen chemicals, most of which are generated by humans, and have developed a blueprint for the underlying molecular machinery of global warming. The results appear in a special edition of the American Chemical Society's Journal of...

2009-11-09 14:03:00

PORT GHALIB, Egypt, Nov. 9 /PRNewswire-USNewswire/ -- Yesterday, two small islands fighting rising seas and growing storm surges driven by climate change were joined by a growing army of nations to support their battle to phase down super greenhouse gases. The weapon of choice for the Federated States of Micronesia and Mauritius is the Montreal Protocol ozone treaty. Their target is a group of super greenhouse gases known as hydrofluorocarbons, or HFCs. The support from the coalition of...

24b7f9847fb29dbf7c0dea9e7f02f688
2009-11-05 07:34:36

Scientists in Washington, D.C. are reporting laboratory evidence supporting the possibility that some of Earth's oil and natural gas may have formed in a way much different than the traditional process described in science textbooks. Their study is scheduled for Nov./Dec. issue of ACS' Energy & Fuels, a bi-monthly publication. Anurag Sharma and colleagues note that the traditional process involves biology: Prehistoric plants died and changed into oil and gas while sandwiched between...


Latest Greenhouse gases Reference Libraries

Earth's Atmosphere
2004-10-19 04:45:44

Earth's Atmosphere -- Earth's atmosphere consists of nitrogen (78.1%) and oxygen (20.9%), with small amounts of argon (0.9%), carbon dioxide (variable, but around 0.035%), water vapor, and other gases. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extremes between day and night. 75% of the atmosphere exists within 11km of the planetary surface. Temperature and the Atmospheric Layers The temperature of the Earth's atmosphere...

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Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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