Two billion years ago the Earth system was recovering from perhaps the single-most profound modification of its surface environments: the oxygenation of the atmosphere and oceans. This led to a series of major changes in ...
Earth Sciences
Nov 17, 2013
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(Phys.org) —What to do with Marcellus shale wastewater is one of the biggest concerns in Pennsylvania, and few published studies have evaluated such wastewater effects on regional waters, according to a review co-authored ...
Environment
May 21, 2013
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One of the world's biggest glacier regions has so far resisted global warming that has ravaged mountain ice elsewhere, scientists reported on Sunday.
Environment
Apr 15, 2012
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Two new studies into the "plumbing systems" that lie under volcanoes could bring scientists closer to understanding plate ruptures and predicting eruptions—both of which are important steps for protecting the public ...
Earth Sciences
Apr 12, 2012
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Three-fifths of Earth’s crust lies underwater, spread out along the seafloor. More than four cubic miles of ocean crust forms each year, constantly regenerating like new skin across the globe. This ocean crust arises ...
Earth Sciences
Apr 10, 2012
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University of California, Berkeley, chemists have found a smoking gun proving that increased fertilizer use over the past 50 years is responsible for a dramatic rise in atmospheric nitrous oxide, which is a major greenhouse ...
Earth Sciences
Apr 2, 2012
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A 'see-sawing' atmosphere over 2.5 billion years ago preceded the oxygenation of our planet and the development of complex life on Earth, a new study has shown.
Earth Sciences
Mar 18, 2012
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The world’s oceans act as a massive conveyor, circulating heat, water and carbon around the planet. This global system plays a key role in climate change, storing and releasing heat throughout the world. To study how ...
Earth Sciences
Feb 28, 2012
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(PhysOrg.com) -- Two scientists from the French National Centre for Scientific Research in Paris have built a computer model that simulates the atmosphere on Titan, one of Saturn’s sixty two moons, and as a result now ...
(PhysOrg.com) -- Many tropical forests are extremely rich in nitrogen even when there are no farms or industries nearby, says Montana State University researcher Jack Brookshire.
Earth Sciences
Jan 16, 2012
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