Earth - 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 ...

Oct 14, 2011 4.4 / 5 (8) 1 | with audio podcast report

Straw albedo mitigates extreme heat

Wheat fields are often tilled immediately after the crop is harvested, removing the light-coloured stubble and crop residues from the soil surface and bringing dark bare earth to the top. Post-harvest tilling ...

Jun 23, 2014 3.8 / 5 (5) 0

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

Rethinking the reef

A new study by biologists at San Diego State University and Scripps Institution of Oceanography shows that inhabited coral islands that engage in commercial fishing dramatically alter their nearby reef ecosystems, ...

Jul 03, 2014 5 / 5 (2) 0