(Phys.org)—Woods Hole Oceanographic Institution geologist Liviu Giosan and an international team of collaborators including environmental engineers, modelers, paleogeographers, and paleobiologists have pieced together a ...
Earth Sciences
Sep 4, 2012
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Hydraulically fractured natural gas wells are producing less wastewater per unit of gas recovered than conventional wells would. But the scale of fracking operations in the Marcellus shale region is so vast that the wastewater ...
Environment
Jan 22, 2013
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Geologists at the University of California, Riverside have found chemical evidence in 2.6-billion-year-old rocks that indicates that Earth's ancient oceans were oxygen-free and, surprisingly, contained abundant hydrogen sulfide ...
Earth Sciences
Jan 10, 2011
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(PhysOrg.com) -- Recent work by scientists at Pacific Northwest National Laboratory has shed new light on the perplexing environmental chemistry of plutonium. They demonstrated that under anaerobic, or oxygen-free, conditions, ...
Environment
Mar 19, 2012
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Most researchers imagine the initial oxygenation of the ocean and atmosphere to have been something like a staircase, but with steps only going up. The first step, so the story goes, occurred around 2.4 billion years ago, ...
Earth Sciences
Oct 23, 2012
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If society wants to address big picture environmental problems, like global climate change, acid rain, and coastal dead zones, we need to pay closer attention to the Earth's coupled biogeochemical cycles. So reports a special ...
Environment
Feb 9, 2011
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In this week's issue of Nature a study lead by Stockholm University, with collaborators from Russia, US, UK, Switzerland, Norway, Spain and Denmark, show that an ancient and large carbon pool held in a less-studied form of ...
Earth Sciences
Aug 30, 2012
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(Phys.org)—Hydraulically fractured natural gas wells are producing less wastewater per unit of gas recovered than conventional wells would. But the scale of fracking operations in the Marcellus shale region is so vast that ...
Environment
Feb 1, 2013
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The world's largest database on plants' functional properties, or traits, has been pub-lished. Scientists compiled three million traits for 69,000 out of the world's ~300,000 plant species. The achievement rests on a worldwide ...
Ecology
Jul 1, 2011
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Nonnative species can affect the biogeochemistry of an ecosystem. For instance, Pacific salmon have been introduced as a sport fishery in many streams and lakes beyond their native range, but their introduction may be altering ...
Ecology
Apr 5, 2013
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