News tagged with carbon gases

Computer model used to pinpoint prime materials for efficient carbon capture

When power plants begin capturing their carbon emissions to reduce greenhouse gases – and to most in the electric power industry, it's a question of when, not if – it will be an expensive undertaking.

Chemistry / Materials Science

created May 27, 2012 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Research: Negative leakage could be key to reducing carbon emissions

(Phys.org) -- The unilateral efforts of a single country or region to reduce the emissions of greenhouse gases could reduce exports, increase imports and lead to higher emissions elsewhere – what economists call “leakage.” ...

Space & Earth / Environment

created May 25, 2012 | popularity 5 / 5 (3) | comments 1

Black carbon, tropospheric ozone most likely driving Earth's tropical belt expansion

Black carbon aerosols and tropospheric ozone, both manmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics further polew ...

Space & Earth / Earth Sciences

created May 16, 2012 | popularity 5 / 5 (5) | comments 7 | with audio podcast

Oxygen-separation membranes could aid in CO2 reduction

It may seem counterintuitive, but one way to reduce carbon dioxide emissions to the atmosphere may be to produce pure carbon dioxide in powerplants that burn fossil fuels. In this way, greenhouse gases — once isolated ...

Chemistry / Materials Science

created May 15, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Time, place and how wood is used are factors in carbon emissions from deforestation

A new study from the University of California, Davis, provides a deeper understanding of the complex global impacts of deforestation on greenhouse gas emissions.

Space & Earth / Environment

created May 13, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New catalyst for safe, reversible hydrogen storage

(PhysOrg.com) -- Scientists at the Brookhaven National Laboratory and collaborators have developed a new catalyst that reversibly converts hydrogen gas and carbon dioxide to a liquid under very mild conditions. ...

Chemistry / Materials Science

created Mar 18, 2012 | popularity 4.7 / 5 (15) | comments 34 | with audio podcast

New study indicates carbon release to atmosphere ten times faster than in the past

The rate of release of carbon into the atmosphere today is nearly 10 times as fast as during the Paleocene-Eocene Thermal Maximum (PETM), 55.9 million years ago, the best analog we have for current global warming, according ...

Space & Earth / Earth Sciences

created Jun 05, 2011 | popularity 3.4 / 5 (11) | comments 7 | with audio podcast

Solar-powered nano sensor targets gases more polluting than carbon

(PhysOrg.com) -- A solar-powered sensor station to monitor in real time the concentration of gases that are key culprits in climate change and air pollution has been installed on a QUT Gardens Point roof as ...

Technology / Engineering

created May 30, 2011 | popularity 3 / 5 (2) | comments 2 | with audio podcast

Carbon cycling was much smaller during last ice age than in today's climate: study

Atmospheric carbon dioxide (CO2) is one of the most important greenhouse gases and the increase of its abundance in the atmosphere by fossil fuel burning is the main cause of future global warming. In past ...

Space & Earth / Earth Sciences

created Nov 20, 2011 | popularity 3.6 / 5 (11) | comments 14 | with audio podcast

Carbon storage in tropical vegetation: New map to help developing nations track deforestation, report on emissions

A study published in Nature Climate Change today finds that tropical vegetation contains 21 percent more carbon than previous studies had suggested. Using a combination of remote sensing and field data, scient ...

Space & Earth / Environment

created Jan 29, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Global warming caused by greenhouse gases delays natural patterns of glaciation

Unprecedented levels of greenhouse gases in the Earth's atmosphere are disrupting normal patterns of glaciation, according to a study co-authored by a University of Florida researcher and published online Jan. 8 in Nature Ge ...

Space & Earth / Earth Sciences

created Jan 08, 2012 | popularity 3.5 / 5 (29) | comments 114 | with audio podcast

Low-carbon technologies 'no quick-fix', say researchers

Could replacing coal-fired electricity plants with generators fueled by natural gas bring global warming to a halt in this century? What about rapid construction of massive numbers of solar or wind farms, ...

Space & Earth / Environment

created Feb 15, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Study finds a better way to gauge the climate costs of land use changes

Those making land use decisions to reduce the harmful effects of climate change have focused almost exclusively on greenhouse gases – analyzing, for example, how much carbon dioxide is released when a ...

Space & Earth / Environment

created Jan 08, 2012 | popularity 4.2 / 5 (5) | comments 5 | with audio podcast

Biggest jump ever seen in global warming gases

(AP) -- The global output of heat-trapping carbon dioxide jumped by the biggest amount on record, the U.S. Department of Energy calculated, a sign of how feeble the world's efforts are at slowing man-made ...

Space & Earth / Environment

created Nov 03, 2011 | popularity 3.2 / 5 (32) | comments 29

Study finds room to store CO2 underground

A new study by researchers at MIT shows that there is enough capacity in deep saline aquifers in the United States to store at least a century's worth of carbon dioxide emissions from the nation's coal-fired ...

Space & Earth / Environment

created Mar 19, 2012 | popularity 3.6 / 5 (8) | comments 16 | with audio podcast