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

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

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

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

The rise of oxygen caused Earth's earliest ice age

(PhysOrg.com) -- Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice ages may have been due to the rise of oxygen in Earth's ...

Space & Earth / Earth Sciences

created May 07, 2009 | popularity 4.6 / 5 (20) | comments 6

Aerosols May Drive a Significant Portion of Arctic Warming

(PhysOrg.com) -- Though greenhouse gases are invariably at the center of discussions about global climate change, new NASA research suggests that much of the atmospheric warming observed in the Arctic since ...

Space & Earth / Earth Sciences

created Apr 08, 2009 | popularity 4.3 / 5 (19) | comments 15

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

Where the wild winds blow: Stanford engineers use weather models to site offshore wind farms

(PhysOrg.com) -- Politics aside, most energy experts agree that cheap, clean, renewable wind energy holds great potential to help the world satisfy energy needs while reducing harmful greenhouse gases. Wind ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

New research can save tropical forests

Scientists from the University of Gothenburg, Sweden, have investigated how much carbon the natural forests of Sri Lanka contain. The results are important for work to reduce deforestation of tropical countries, ...

Space & Earth / Environment

created Mar 26, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Engineers enlist weather model to optimize offshore wind plan

Politics aside, most energy experts agree that cheap, clean, renewable wind energy holds great potential to help the world satisfy energy needs while reducing harmful greenhouse gases. Wind farms placed offshore could play ...

Space & Earth / Earth Sciences

created Mar 20, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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

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