News tagged with dioxide levels
Replicating Climate Change to Forecast its Effects
(PhysOrg.com) -- Agricultural Research Service (ARS) scientists are replicating the effects of climate change to see what the future holds for soybeans, wheat and the soils where they grow.
Dec 17, 2009 |
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Highlight: Solar - Bridging the gap
(PhysOrg.com) -- Titanium dioxide, the same inexpensive white pigment that protects us from sunburns, can be converted into a material that absorbs sunlight and could greatly increase the efficiency of solar energy cells.
Dec 10, 2009 |
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Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution
Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising CO2 levels could directly reduce plant biodiversity can be allayed, according to a new study by a University ...
Dec 03, 2009 |
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Acid test: Study reveals both losers and winners of CO2-induced ocean acidification
(PhysOrg.com) -- As the world’s seawater becomes more acidic due to rising atmospheric carbon dioxide, some shelled marine creatures may actually become bigger and stronger, according to a new study.
Space & Earth / Earth Sciences
Dec 01, 2009 |
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Climate experts debate strategies for reducing atmospheric carbon and future warming
(PhysOrg.com) -- Reducing carbon dioxide to safe levels may require extracting carbon from the air, says Cornell climate researcher.
Nov 25, 2009 |
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Climate Change Triggered Dwarfism in Soil-Dwelling Creatures of the Past
(PhysOrg.com) -- Ancient soil-inhabiting creatures decreased in body size by nearly half in response to a period of boosted carbon dioxide levels and higher temperatures, scientists have discovered.
Other Sciences / Archaeology & Fossils
Oct 06, 2009 |
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Research gives new meaning to 'green' cross code
Pedestrians could reduce the amount of traffic pollution they breathe in simply by crossing the street, according to the latest research from the University of Leeds.
Oct 05, 2009 |
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Cockroaches Control Their Breathing to Save Water
(PhysOrg.com) -- Many insects have been known for decades to hold their breath when resting, but the reasons have not been well understood. A new study on cockroaches suggests the insects reduce their breathing ...
Sep 24, 2009 |
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Astronauts cut spacewalk short due to suit trouble (Update)
(AP) -- Two astronauts cut short their spacewalk and hurried back to the safety of the international space station on Wednesday after a suit problem resulted in rising carbon dioxide levels for one of the ...
Space & Earth / Space Exploration
Jul 22, 2009 |
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High carbon dioxide levels cause abnormally large fish ear bones
Rising carbon dioxide levels in the ocean have been shown to adversely affect shell-forming creatures and corals, and now a new study by researchers at Scripps Institution of Oceanography at UC San Diego has ...
Jun 25, 2009 |
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Plants absorb more carbon under hazy skies
Plants absorbed carbon dioxide more efficiently under the polluted skies of recent decades than they would have done in a cleaner atmosphere, according to new findings published this week in Nature.
Space & Earth / Earth Sciences
Apr 22, 2009 |
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Cuts in greenhouse gas emissions would save Arctic ice, reduce sea level rise
The threat of global warming can still be greatly diminished if nations cut emissions of heat-trapping greenhouse gases by 70 percent this century, according to a new analysis. While global temperatures would ...
Space & Earth / Earth Sciences
Apr 14, 2009 |
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Scientists find climate change to have paradoxical effects in coastal wetlands
Rising atmospheric carbon dioxide is largely responsible for recent global warming and the rise in sea levels. However, a team of scientists, including two Smithsonian ecologists, have found that this same increase in CO2 may ironic ...
Space & Earth / Earth Sciences
Mar 23, 2009 |
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Amazon carbon sink threatened by drought
The Amazon is surprisingly sensitive to drought, according to new research conducted throughout the world's largest tropical forest. The 30-year study, published today in Science, provides the first solid evidence that d ...
Mar 05, 2009 |
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Stalagmites in Northeast Brazilian Caves Confirm 9,000-Year Model of Diminishing Rainfall
(PhysOrg.com) -- Until recently, researchers studying climate history in Brazil’s dry Nordeste region expected it to have wet and dry periods similar to the rest of South America. But over the past 9,000 years, ...
Space & Earth / Earth Sciences
Feb 25, 2009 |
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