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Rise in Human-Made Carbon Dioxide Affects Ocean Acoustics
Oceanographers have
discovered that seawater
sound absorption will drop
by up to 70 percent this
century, due to rising
atmospheric carbon dioxide
... > full story
Tropical Forests Affected by Habitat Fragmentation Store Less Biomass and Carbon Dioxide
Deforestation in tropical
rain forests could have an
even greater impact on
climate change than has
previously been thought. The
... > full story
Logging Effects Vary Based on a Forest's History, Climate
A Smoky Mountain forest's
woodland herb population has
shown that climate may play
a role in how forest
understories recover from
logging, according to new
... > full story
Undocumented Volcano Contributed to Extremely Cold Decade from 1810-1819
Researchers have found
compelling evidence of a
previously undocumented
large volcanic eruption that
occurred exactly 200 years
... > full story
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Worldwide Nitrogen Deficit Constrains Carbon Dioxide Uptake by Plants
January 23, 2010 — Nitrogen is an essential nutrient for plants; limits on available nitrogen constrain how much plants can grow. This in turn affects the amount of carbon dioxide plants can absorb, which affects the ... > full story -
Elevated Carbon Dioxide Levels May Mitigate Losses of Biodiversity from Nitrogen Pollution
December 3, 2009 — Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising carbon dioxide levels could directly reduce plant biodiversity can be allayed, ... > full story -
Wolves, Moose And Biodiversity: An Unexpected Connection
November 3, 2009 — Moose eat plants; wolves kill moose. What difference does this classic predator-prey interaction make to biodiversity? A large and unexpected one, say wildlife ... > full story -
Interactions With Aerosols Boost Warming Potential Of Some Gases
October 31, 2009 — For decades, climate scientists have worked to identify and measure key substances -- notably greenhouse gases and aerosol particles -- that affect Earth's climate. And they've been aided by ever ... > full story -
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 -
Asteroids, Comets and Meteors
Geology
Earth Science
Near-Earth Object Impacts
Environmental Issues
Earthquakes
Geologists Point To Outer Space As Source Of The Earth's Mineral Riches
October 19, 2009 — According to a new study by geologists, the wealth of some minerals that lie in the rock beneath the Earth's surface may be extraterrestrial in ... > full story -
China's Acid Rain Control Strategy Offset By Increased Nitrogen Oxide Air Pollution
October 15, 2009 — Scientists are reporting the first evidence that China's sharp focus on reducing widespread damage to soil by acid rain by restricting sulfur dioxide air pollution may have an unexpected consequence: ... > 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
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