Posts Tagged ‘carbon dioxide’
Ocean sensors gauge pH on global scale
UC SANTA BARBARA (US) — A team of researchers has reported results from the broadest worldwide study of ocean acidification—or pH level—to date. Continue…
Tuesday, January 24, 2012 17:16 - 3 Comments
Earth & Environment - Dec 19, 2011 13:06 - 3 Comments
Maples fight to push through leaf litter
U. MICHIGAN (US) — Acid rain is taking a toll on sugar maples in upper Great Lakes forests that have been largely spared the type of damage seen in mature sugar maples in the Northeast. (more…)
Earth & Environment - Dec 7, 2011 10:00 - 0 Comments
Carbon dioxide: The global heat dial?
PURDUE / YALE (US) — A drop in carbon dioxide appears to be the driving force that led to the Antarctic ice sheet’s formation, according to a recent study of molecules from ancient algae found in deep-sea core samples. (more…)
Earth & Environment - Nov 23, 2011 12:40 - 0 Comments
Deforestation’s effects? Location, location
UC DAVIS (US) — The impact of deforestation on global warming varies with latitude, a finding that calls for revised climate-monitoring strategies, a new study shows. (more…)
Earth & Environment - Nov 10, 2011 15:46 - 0 Comments
Methane likely fueled Earth’s big warm-up
RICE (US) — New calculations suggest the release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago likely led to a major climate shift on Earth. (more…)
Earth & Environment - Oct 18, 2011 10:02 - 5 Comments
In experimental forest, trees soak up CO2
U. MICHIGAN (US) — North American forests appear to have a greater capacity to soak up heat-trapping carbon dioxide gas than previously thought. (more…)
Earth & Environment - Sep 30, 2011 13:48 - 0 Comments
Rock nitrogen helps trees soak up CO2
UC DAVIS (US) — Forest trees have the ability to tap into nitrogen found in rocks, boosting the trees’ growth and their ability to pull more carbon dioxide from the atmosphere.
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Science & Technology - Sep 28, 2011 10:33 - 0 Comments
All-natural nanosponge captures CO2
NORTHWESTERN (US) — Nanostructures made of sugar, salt, and alcohol are able to effectively detect, capture, and store carbon dioxide—and are themselves carbon-neutral. (more…)
Earth & Environment - Sep 13, 2011 10:26 - 0 Comments
Volcanic vents belch pure CO2 into sea
STANFORD (US) — Rare volcanic vents in the Mediterranean Sea bubble carbon dioxide, making the water more acidic—a glimpse of how marine ecosystems may be affected as global warming intensifies. (more…)
Earth & Environment - Aug 23, 2011 10:34 - 1 Comment
Polar sea ice: Down but not out
U. WASHINGTON (US) — Polar sea ice can recover from even the harshest period of climate-induced melting as long as the planet cools again, according to a new study. (more…)
Earth & Environment - Aug 11, 2011 10:37 - 0 Comments
Keep grasses to avoid carbon debt
MICHIGAN STATE (US) — Converting natural cover to corn or soybeans for the production of biofuels will come at a high carbon cost—even when care is taken to protect soil by using no-till cultivation. (more…)
Earth & Environment - Jul 25, 2011 12:06 - 1 Comment
Trees’ footprints smaller than steel’s
U. WASHINGTON (US) — By regularly harvesting trees and using wood in place of steel and concrete, the amount of carbon dioxide taken out of the atmosphere by a forest could be quadrupled in 100 years. (more…)
Earth & Environment - Apr 4, 2011 10:18 - 1 Comment
Renewable fuel made from CO2
U. MINNESOTA (US) — Scientists are a step closer to making renewable petroleum fuels using bacteria, sunlight, and carbon dioxide. (more…)
Earth & Environment - Feb 18, 2011 13:15 - 1 Comment
Big volcanoes doubled CO2 level
RUTGERS (US) — Core samples taken from New Jersey show a dramatic increase in the level of atmospheric carbon dioxide 200 million years ago. The cause: 20,000 years of massive volcanic eruptions. (more…)
Earth & Environment - Feb 17, 2011 15:02 - 2 Comments
Warming shifts insect-plant interaction
U. MICHIGAN (US) — Global warming and the associated higher carbon dioxide levels may affect plant evolution by altering the selection pressure that insects exert on plants. (more…)
Science & Technology - Jan 26, 2011 11:46 - 4 Comments
Reactor converts sunlight into fuel
CALTECH (US) — A common metal found in self-cleaning ovens is the key component of a reactor that uses concentrated solar energy to convert carbon dioxide and water into fuels. (more…)
Earth & Environment - Dec 16, 2010 17:47 - 1 Comment
Stored CO2 may be earthquake trigger
STANFORD (US) — Storing massive amounts of carbon dioxide underground in an effort to combat global warming could potentially cause small to moderate earthquakes. (more…)
Earth & Environment - Nov 11, 2010 13:03 - 0 Comments
Will stored CO2 leak into drinking water?
DUKE (US) — There could be a serious downside to injecting carbon dioxide deep underground to mitigate climate change. New analysis suggests it can pollute drinking water aquifers. (more…)
Earth & Environment - Oct 13, 2010 13:02 - 0 Comments
Easy way to track phytoplankton
U. WASHINGTON (US) — It’s now much easier to pinpoint biological hot spots in the world’s oceans where some inhabitants are smaller than, well, a pinpoint. (more…)
