Environment news

Forest and savanna can switch quickly

(PhysOrg.com) -- Two recent studies have found that environmental changes can bring previously stable forests and grasslands to tipping points that produce sudden large-scale and sometimes irreversible changes in which forest ...

dateOct 14, 2011 in Environment report
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Fracking leaks may make gas 'dirtier' than coal

(PhysOrg.com) -- Extracting natural gas from the Marcellus Shale could do more to aggravate global warming than mining coal, according to a Cornell study published in the May issue of Climatic Change Letters (105:5).

dateApr 12, 2011 in Environment
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World phosphorous use crosses critical threshold

(PhysOrg.com) -- Recalculating the global use of phosphorous, a fertilizer linchpin of modern agriculture, a team of researchers warns that the world's stocks may soon be in short supply and that overuse in the industrialized ...

dateFeb 14, 2011 in Environment
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City lights make air pollution worse

(PhysOrg.com) -- A new study by scientists in Los Angeles, California has found that bright city lights makes air pollution worse because the glare of the lights interferes with chemical reactions that clean the air of pollution ...

dateDec 16, 2010 in Environment report
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