News tagged with methane oxidation

Setting the stage for life: Scientists make key discovery about the atmosphere of early Earth

Scientists in the New York Center for Astrobiology at Rensselaer Polytechnic Institute have used the oldest minerals on Earth to reconstruct the atmospheric conditions present on Earth very soon after its birth. The findings, ...

Space & Earth / Earth Sciences

created Nov 30, 2011 | popularity 4.4 / 5 (7) | comments 1 | with audio podcast

Pee power: Urine-loving bug churns out space fuel

Scientists on Sunday said they had gained insights into a remarkable bacterium that lives without oxygen and transforms ammonium, the ingredient of urine, into hydrazine, a rocket fuel.

Biology / Cell & Microbiology

created Oct 02, 2011 | popularity 4.8 / 5 (18) | comments 14

Switching from coal to natural gas would do little for global climate, study indicates

Although the burning of natural gas emits far less carbon dioxide than coal, a new study concludes that a greater reliance on natural gas would fail to significantly slow down climate change. The study appears ...

Space & Earth / Environment

created Sep 08, 2011 | popularity 4.6 / 5 (13) | comments 51 | with audio podcast

How dairy farms contribute to greenhouse gas emissions

U.S. Department of Agriculture (USDA) scientists have produced the first detailed data on how large-scale dairy facilities contribute to the emission of greenhouse gases. This research was conducted by Agricultural Research ...

Space & Earth / Environment

created Jul 19, 2011 | popularity 5 / 5 (1) | comments 5

Soil microbes accelerate global warming

More carbon dioxide in the atmosphere causes soil to release the potent greenhouse gases methane and nitrous oxide, new research published in this week's edition of Nature reveals. "This feedback to our changing atmosphere means ...

Space & Earth / Environment

created Jul 13, 2011 | popularity 5 / 5 (4) | comments 4 | with audio podcast

Biofilters reduce carbon footprint of old landfill sites

Researchers in the US are testing biofilter systems as a viable alternative to releasing methane from passive landfill vents into the atmosphere. The technology could reduce the overall impact of old landfills on global warming. ...

Space & Earth / Environment

created Jul 11, 2011 | popularity 5 / 5 (1) | comments 0

New study argues against conclusion that bacteria consumed Deepwater Horizon methane

A technical comment published in the current (May 27) edition of the journal Science casts doubt on a widely publicized study that concluded that a bacterial bloom in the Gulf of Mexico consumed the methane discharged from t ...

Space & Earth / Earth Sciences

created May 26, 2011 | popularity 4.9 / 5 (8) | comments 3 | with audio podcast

Climate tax on meat and milk results in less greenhouse gases

A climate tax corresponding to $80/ton CO2eq on meat and milk could reduce greenhouse gas emissions from European agriculture by around seven per cent. If the land made available is used for bioenergy production, the decrea ...

Space & Earth / Environment

created Jan 25, 2011 | popularity 3 / 5 (12) | comments 15

Methane-powered laptops may be closer than you think

(PhysOrg.com) -- Making fuel cells practical and affordable will not happen overnight. It may, however, not take much longer.

Technology / Energy & Green Tech

created Nov 17, 2010 | popularity 4.4 / 5 (9) | comments 13 | with audio podcast

Microbes may consume far more oil-spill waste than earlier thought

Microbes living at the bottom of the Gulf of Mexico may consume far more of the gaseous waste from the Deepwater Horizon oil spill than previously thought, according to research carried out within 100 miles of the spill site.

Space & Earth / Earth Sciences

created Oct 20, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Engineers use rocket science to make wastewater treatment sustainable

Within the sludge of wastewater treatment plants is an invisible world teeming with microbes. Here, diverse species of bacteria convert solid and liquid wastes into gases, some of which contribute to global ...

Technology / Engineering

created Jul 26, 2010 | popularity 5 / 5 (9) | comments 2 | with audio podcast

Researchers make carbon nanotubes without metal catalyst

(PhysOrg.com) -- Carbon nanotubes — tiny, rolled-up tubes of graphite — promise to add speed to electronic circuits and strength to materials like carbon composites, used in airplanes and racecars. A major problem, however, ...

Nanotechnology / Nanomaterials

created Aug 10, 2009 | popularity 4.5 / 5 (10) | comments 1

Methane-eating microbes can use iron and manganese oxides to 'breathe'

Iron and manganese compounds, in addition to sulfate, may play an important role in converting methane to carbon dioxide and eventually carbonates in the Earth's oceans, according to a team of researchers ...

Space & Earth / Earth Sciences

created Jul 09, 2009 | popularity 4.6 / 5 (5) | comments 0

Landfill cover soil methane oxidation underestimated

Landfilled waste decomposes in the absence of oxygen and results in the production of methane. Landfills are classified as the second-largest human-made source of CH4 in the U.S. Additionally, landfill gas contains numerous ...

Space & Earth / Environment

created Apr 27, 2009 | popularity 3 / 5 (6) | comments 0

Did a nickel famine trigger the 'Great Oxidation Event'?

(PhysOrg.com) -- The Earth's original atmosphere held very little oxygen. This began to change around 2.4 billion years ago when oxygen levels increased dramatically during what scientists call the "Great ...

Space & Earth / Earth Sciences

created Apr 08, 2009 | popularity 4.5 / 5 (21) | comments 3