Earth - Environment news

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 ...

Feb 14, 2011 4.4 / 5 (24) 38 | with audio podcast

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 ...

Dec 16, 2010 4.7 / 5 (15) 1 | with audio podcast report

Common cactus could be used to clean water

(PhysOrg.com) -- Access to clean drinking water is lacking in many parts of the world but most technologies to clean water to make it fit for drinking are expensive and hard to maintain. Now researchers propose ...

Apr 30, 2010 4.4 / 5 (14) 8 | with audio podcast report

Controversial new climate change results

(PhysOrg.com) -- New data show that the balance between the airborne and the absorbed fraction of CO2 has stayed approximately constant since 1850, despite emissions of CO2 having risen from about 2 billion ...

Nov 10, 2009 4.1 / 5 (49) 131