News tagged with oxygen levels

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Greenhouse gases from farmland underestimated

(Phys.org)—Changes in agricultural practices could reduce soil emissions of the greenhouse gas nitrous oxide and the atmospheric pollutant nitric oxide, according to a new study by scientists at the University of California, ...

dateApr 02, 2013 in Environment
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Atmospheric carbon levels nearing historic threshold

(Phys.org) —For the first time in human history, concentrations of the greenhouse gas carbon dioxide (CO2) could rise above 400 parts per million (ppm) for sustained lengths of time throughout much of the Northern Hemisphere ...

dateApr 24, 2013 in Environment
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Study helps prevent rhino deaths during relocation

Wildlife experts lose one to two black rhinoceros each year from anesthesia complications when they capture and relocate the animals. That's 1 to 2 percent of the black rhinos that are moved annually, but ...

dateAug 15, 2014 in Ecology
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Taking X-rays of CO2

As CO2 levels in the Earth's atmosphere top 400 parts per million, options such as storing the greenhouse gas in porous sandstone rock formations found in abundance on the sea floor are of increasing interest. ...

dateMay 14, 2013 in Environment
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Instrument will monitor flow in Puget Sound

(Phys.org) —It's not just vacationers who will be traveling on the ferries between Port Townsend and Coupeville this summer. A new partnership among the Washington Department of Ecology, the University ...

dateJun 17, 2014 in Earth Sciences
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Robot gliders roam seas

(Phys.org) —Once the robotic gliders scour the ocean searching for potential harm to sea life, the data is sent to David Caron, professor of biological sciences in USC Dornsife, and other marine biologists. ...

dateMay 03, 2013 in Earth Sciences
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