
Wolves, Moose And Biodiversity: An Unexpected Connection
Moose eat plants; wolves
kill moose. What difference
does this classic
predator-prey interaction
make to biodiversity? A
large and unexpected one,
... > full story

Interactions With Aerosols Boost Warming Potential Of Some Gases
For decades, climate
scientists have worked to
identify and measure key
substances -- notably
greenhouse gases and aerosol
... > full story

Geologists Point To Outer Space As Source Of The Earth's Mineral Riches
According to a new study by
geologists, the wealth of
some minerals that lie in
the rock beneath the Earth's
surface may be
... > full story

China's Acid Rain Control Strategy Offset By Increased Nitrogen Oxide Air Pollution
Scientists are reporting the
first evidence that China's
sharp focus on reducing
widespread damage to soil by
acid rain by restricting
... > full story
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Nitrogen Mysteries In Urban Grasslands
October 22, 2009 Urban grasslands are an extremely common, but poorly studied ecosystem type. Many receive high rates of fertilizer, creating concerns about nutrient runoff and greenhouse gas emissions. Recent ... > full story -
Nitrogen Deposition Limits Climate Change Impacts On Carbon Sequestration
October 8, 2009 The role of the forests is assumed to increase in the future, as an important buffer of climate change and increasing carbon dioxide concentrations. So-called Earth system models, computer systems ... > full story -
Early Life On Earth: Could Salt Crusts Be Key Ingredient In Cooking Up Prebiotic Molecules?
September 17, 2009 German scientists investigating the complex chemical mixture thought to be present in the early Earth's oceans have found that amino acids can be 'cooked' into many other important chemical building ... > full story -
Scrubbing Sulfur: New Process Removes Sulfur Components, Carbon Dioxide From Power Plant Emissions
August 21, 2009 Researchers have developed a reusable organic liquid that can pull harmful gases such as carbon dioxide or sulfur dioxide out of industrial emissions from power plants. The process could directly ... > full story -
The Sky Is Not Falling: Pollution In Eastern China Cuts Light, Useful Rainfall
August 17, 2009 New research shows that air pollution in eastern China over the past 50 years has decreased the yearly number of days of light rainfall by 23 percent. The study links for the first time high levels ... > full story -
Chemists Discover Ozone-Boosting Reaction: Newfound Chemistry Should Be Added To Atmospheric Models, Experts Say
August 9, 2009 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, scientists report in a new study. The ... > full story -
Earth's Biogeochemical Cycles, Once In Concert, Falling Out Of Sync
August 4, 2009 What do the Gulf of Mexico's "dead zone," global climate change and acid rain have in common? They're all a result of human impacts to Earth's biology, chemistry and geology, and the natural cycles ... > full story -
Urban Stream Pollution Can Be Good For Mosquitoes
August 3, 2009 Sewage overflows are a fact of life in urban areas, and in many cities, excess sewage water enters streams and lakes with rain runoff. Although this pollution is harmful to most organisms, there is ... > full story -
Nitrous Gases And Zinc In The Crosshairs
July 28, 2009 A list of potentially toxic chemicals will be used to make recommendations on occupational health in Germany. The list shows the estimated concentration of a substance in the body to which a person ... > full story -
Oceans More Sensitive To Acidification In The Future
June 22, 2009 Researchers have calculated the buffer factor for water in the River Schelde and in the ocean. A wide range of chemical and microbiological processes influence the acidity of natural waters. Due to ... > full story
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