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Dirty pipeline: Methane from fracking sites can flow to abandoned wells, new study shows

2015-10-20 21:02:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: As debate roils over EPA regulations proposed this month limiting the release of the potent greenhouse gas methane during fracking operations, a new University of Vermont study funded by the National Science Foundation shows that abandoned oil and gas wells near fracking sites can be conduits for methane escape not currently being measured. The study, to be published in Water Resources Research on October 20, demonstrates that fractures in surrounding rock produced by the hydraulic fracturing process...

Tags: sites study shows flow

 

Methane bubbling off Svalbard is not a source of atmospheric greenhouse gas

2015-10-19 19:02:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: Methane seeps from seafloor deposits near Svalbard release less 'greenhouse gas' into the atmosphere than other Arctic sites because ocean currents there form an effective barrier. This research, by scientists at the National Oceanography Centre (NOC) and the University of Southampton, was published this week in the Journal of Geophysical Research: Oceans. Dr Carolyn Graves, the lead author of the study from the NOC, said "Strong ocean bottom currents carry the dissolved methane northwards, while...

Tags: source gas svalbard atmospheric

 
 

Climate change: Why methane gas is leaking from the ocean floor

2015-10-17 17:53:00| Climate Ark Climate Change & Global Warming Newsfeed

Christian Science Monitor: Giant plumes of methane gas appear to be bubbling up off the Pacific Northwest coast. This is according to a new study which suggests warming ocean temperatures a third of a mile below the surface are causing the bubbles. The new research by the University of Washington shows that, of 168 bubble plumes monitored within the last 10 years, a large number of plumes were seen at a depth considered critical, for the stability of methane hydrate. . "We see an unusually high number of bubble...

Tags: change floor gas ocean

 

Linde pilot testing dry reforming process to generate syngas from CO2 and methane for production of fuels and chemicals

2015-10-16 15:55:30| Green Car Congress

Tags: of process production testing

 

Methane release from melting permafrost could trigger dangerous global warming

2015-10-13 12:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Guardian: While most attention has been given to carbon dioxide, it isnt the only greenhouse gas that scientists are worried about. Carbon dioxide is the most important human-emitted greenhouse gas, but methane has also increased in the atmosphere and it adds to our concerns. While methane is not currently as important as carbon dioxide, it has a hidden danger. Molecule for molecule, methane traps more heat than carbon dioxide; approximately 30 times more, depending on the time frame under consideration....

Tags: global release dangerous warming

 

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