News tagged with global ecology
Consumption, carbon emissions and international trade
Accurately calculating the amount of carbon dioxide emitted in the process of producing and bringing products to our doorsteps is nearly impossible, but still a worthwhile effort, two Carnegie researchers claim in a commentary ...
May 09, 2011 |
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Stranglers of the tropics -- and beyond
Kudzu, the plant scourge of the U.S. Southeast. The long tendrils of this woody vine, or liana, are on the move north with a warming climate.
Mar 25, 2011 |
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Main climate threat from CO2 sources yet to be built
Scientists have warned that avoiding dangerous climate change this century will require steep cuts in carbon dioxide emissions. New energy-efficient or carbon-free technologies can help, but what about the ...
Sep 09, 2010 |
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Carbon mapping breakthrough
By integrating satellite mapping, airborne-laser technology, and ground-based plot surveys, scientists from the Carnegie Institution's Department of Global Ecology, with colleagues from the World Wildlife ...
Space & Earth / Earth Sciences
Sep 06, 2010 |
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Global tropical forests threatened by 2100
By 2100 only 18% to 45% of the plants and animals making up ecosystems in global, humid tropical forests may remain as we know them today, according to a new study led by Greg Asner at the Carnegie Institution's ...
Aug 05, 2010 |
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Plant 'breathing' mechanism discovered
A tiny, little-understood plant pore has enormous implications for weather forecasting, climate change, agriculture, hydrology, and more. A study by scientists at the Carnegie Institution's Department of Global Ecology, with ...
Jul 12, 2010 |
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Greenhouse gas carbon dioxide ramps up aspen growth
The rising level of atmospheric carbon dioxide may be fueling more than climate change. It could also be making some trees grow like crazy.
Dec 04, 2009 |
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Arctic land and seas account for up to 25 percent of world's carbon sink
In a new study in the journal Ecological Monographs, ecologists estimate that Arctic lands and oceans are responsible for up to 25 percent of the global net sink of atmospheric carbon dioxide. Under curren ...
Space & Earth / Earth Sciences
Oct 14, 2009 |
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Putting Plankton in Perspective, from Sea to Sky (w/ Video)
(PhysOrg.com) -- From the time he was 21 and working toward his Ph.D., Mike Behrenfeld has been observing phytoplankton -- floating ocean plants that have a global impact. Observing these tiny plants under ...
Space & Earth / Earth Sciences
Jul 24, 2009 |
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Is the sky the limit for wind power?
In the future, will wind power tapped by high-flying kites light up New York? A new study by scientists at the Carnegie Institution and California State University identifies New York as a prime location for exploiting high-altitude ...
Technology / Energy & Green Tech
Jun 15, 2009 |
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Coral reefs may start dissolving when atmospheric CO2 doubles
Rising carbon dioxide in the atmosphere and the resulting effects on ocean water are making it increasingly difficult for coral reefs to grow, say scientists. A study to be published online March 13, 2009 in ...
Space & Earth / Earth Sciences
Mar 09, 2009 |
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Airborne ecologists help balance delicate African ecosystem
The African savanna is world famous for its wildlife, especially the iconic large herbivores such as elephants, zebras, and giraffes. But managing these ecosystems and balancing the interests of the large ...
Mar 02, 2009 |
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Study critiques corn-for-ethanol's carbon footprint
To avoid creating greenhouse gases, it makes more sense using today's technology to leave land unfarmed in conservation reserves than to plow it up for corn to make biofuel, according to a comprehensive Duke University-led ...
Mar 02, 2009 |
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WWF says over-consumption threatens planet
The spiralling global population and over-consumption are threatening the future health of the planet, according to conservation group WWF.
May 15, 2012 |
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How the ecological risks of extended bioenergy production can be reduced
For years experts have discussed the ecological impact of the extended cultivation of energy crops. Scientists have now developed a computer model that allows assessing the impacts and comparing the effectiveness ...
Apr 23, 2012 |
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