For more than 30 years, climate scientists have debated whether flood waters from melting of the enormous Laurentide Ice Sheet, which ushered in the last major cold episode on Earth about 12,900 years ago, flowed northwest ...
Earth Sciences
Nov 5, 2012
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An analysis of a decade's worth of tropical cyclones shows that when hurricanes blow over ocean regions swamped by fresh water, the conditions can unexpectedly intensify the storm. Although the probability that hurricanes ...
Earth Sciences
Aug 13, 2012
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A grain of salt or two may be all that microbial electrolysis cells need to produce hydrogen from wastewater or organic byproducts, without adding carbon dioxide to the atmosphere or using grid electricity, according to Penn ...
Energy & Green Tech
Sep 19, 2011
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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 ...
Earth Sciences
May 26, 2011
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(PhysOrg.com) -- A team of researchers, led by Dr. Yi Cui, of Stanford and Dr. Bruce Logan from Penn State University have succeeded in developing an entropy battery that pulls energy from the imbalance of salinity in fresh ...
(PhysOrg.com) -- The world's rivers, the single largest renewable water resource for humans and a crucible of aquatic biodiversity, are in a crisis of ominous proportions, according to a new global analysis.
Environment
Sep 29, 2010
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University of Queensland ecologists have unlocked the mystery of how salt-water crocodiles cross large stretches of the sea despite being poor swimmers - they like to surf.
Plants & Animals
Jun 4, 2010
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1
(PhysOrg.com) -- Everyone is looking for alternative forms of energy, and one company proposes to generate electricity from the flow of the river Mississippi in the US, without using dams to control the water flow.
In California's 2022-2023 winter season, the state faced nine atmospheric rivers (ARs) that led to extreme flooding, landslides, and power outages—the longest duration of continuous AR conditions in the past 70 years. Scientists ...
Earth Sciences
Apr 18, 2024
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New findings have revealed a coastal realm highly sensitive to changes in runoff and rainfall on land.
Earth Sciences
Apr 3, 2024
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