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Ozone, nitrogen change the way rising CO2 affects Earth's water
Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. view more (2009-07-10)
Global Earth Day broadcast to feature South Pole
Air quality research and ozone monitoring at the National Science Foundation's Amundsen-Scott South Pole will be showcased as part of a global Earth Day telecast scheduled for April 20, 2007, on various ABC-television's news programs. view more (2007-04-20)
UCI scientists discover ozone-boosting chemical reaction
Burning of fossil fuels pumps chemicals into the air that react on surfaces such as buildings and roads to create photochemical smog-forming chlorine atoms, UC Irvine scientists report in a new study. view more (2009-07-21)
Heat dangers forgotten in the battle against air pollution
UCL scientists warn that amidst all the concerns over air pollution, the more basic health message of 'staying cool when the weather is hot' may be being forgotten. view more (2005-10-12)
New simulation shows consequences of a world without Earth's natural sunscreen
Nearly two-thirds of Earth's ozone is gone -- not just over the poles, but everywhere. The infamous ozone hole over Antarctica, first discovered in the 1980s, is a year-round fixture, with a twin over the North Pole. The ultraviolet (UV) radiation falling on mid-latitude cities like Washington, D.C., is strong enough to cause sunburn in just five... view more... (2009-03-19)
Software fills in missing data on satellite images
New software is helping scientists get a more complete view of the environment from satellites that orbit the earth. view more (2005-11-09)
Yes, Virginia, some snowflakes can look the same!
Snowflakes are one of the most recognizable and endearing symbols of winter. Their intricate shapes have been the inspiration for Christmas ornaments, jewelry and U.S. postage stamps. They are the subject of song, school projects and even scientific investigation, including a possible impact on global warming. view more (2006-12-13)
Stressed seaweed contributes to cloudy coastal skies, study suggests
Scientists at The University of Manchester have helped to identify that the presence of large amounts of seaweed in coastal areas can influence the climate. view more (2008-05-07)
Just breathe: Ozone forecaster unveiled at University of Houston, available via Web
People with asthma or other respiratory problems can breathe a sigh of relief thanks to University of Houston professors who have recently unveiled a forecasting system that provides air quality data on ozone conditions. view more (2006-08-22)
Mailman School of Public Health researchers analyze air quality and weather changes by 2050
In a first of its kind study, a research team based at Columbia's Mailman School of Public Health found that changes in urban sprawl and climate that are projected to occur in the New York City metropolitan area by the 2050s could significantly affect air quality and health in the region. view more (2007-05-15)
Tiny bubbles clean oil from water
Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. view more (2009-11-16)
Gene That Controls Ozone Resistance of Plants Could Lead to Drought-Resistant Crops
Biologists at the University of California, San Diego, working with collaborators at the University of Helsinki in Finland and two other European institutions, have elucidated the mechanism of a plant gene that controls the amount of atmospheric ozone entering a plant's leaves. view more (2008-02-28)
By ice floe to the North Pole
At the end of August, an unusual expedition under Russian leadership will leave for the Arctic Ocean. One of the participants is Jürgen Graeser of the Alfred Wegener Institute for Polar and Marine Research, one of the research centres of the Helmholtz Association. view more (2007-07-23)
Food-crop yields in future greenhouse-gas conditions lower than expected
Open-air field trials involving five major food crops grown under carbon-dioxide levels projected for the future are harvesting dramatically less bounty than those raised in earlier greenhouse and other enclosed test conditions — and scientists warn that global food supplies could be at risk without changes in production strategies. view more (2006-06-30)
NASA satellite eyes atmosphere to improve pollution and climate forecasting
Thanks to the latest sophisticated, satellite-based instruments, local and regional air pollution and their sources can now be observed closely from space. view more (2005-12-09)
Ethanol vehicles pose a significant risk to human health, study finds
Ethanol is widely touted as an eco-friendly, clean-burning fuel. But if every vehicle in the United States ran on fuel made primarily from ethanol instead of pure gasoline, the number of respiratory-related deaths and hospitalizations would likely increase. view more (2007-04-18)
NASA airborne expedition chases climate, ozone questions
NASA's Tropical Composition, Cloud and Climate Coupling (TC4) field campaign will begin this summer in San Jose, Costa Rica, with an investigation into how chemical compounds in the air are transported vertically into the stratosphere and how that transport affects cloud formation and climate. view more (2007-06-28)
Rich nations' environmental footprints tread heavily on poor countries
The environmental damage caused by rich nations disproportionately impacts poor nations and costs them more than their combined foreign debt, according to a first-ever global accounting of the dollar costs of countries' ecological footprints. view more (2008-01-22)
New policies needed to combat Global Change, says Commissioner Wallström
Never before have policy makers faced a more challenging task than responding to global change, said EU Environment Commissioner Margot Wallström, in an article in the International Herald Tribune today (http://www.iht.com/articles/125563.html) and in a statement made for the launch of a new book on global change*... view more... (2004-01-20)
Tibet Provides Passage for Chemicals to Reach the Stratosphere
NASA and university researchers have found that thunderstorms over Tibet provide a main pathway for water vapor and chemicals to travel from the lower atmosphere, where human activity directly affects atmospheric composition, into the stratosphere, where the protective ozone layer resides. view more (2006-05-10)
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