(Phys.org)—First tops, then flops. That is one way of summing up the history of biofuels so far. A new study led by Empa gives an up-to-date picture of the ecobalance of various biofuels and their production ...

Technology - Energy & Green Tech

Sep 24, 2012 5 / 5 (11) 38 |

New research by the World Resources Institute (WRI) and the Virginia Institute of Marine Science, College of William and Mary, identifies more than 530 low-oxygen "dead zones" and an additional 228 sites worldwide ...

Space & Earth - Environment

Jan 21, 2011 4.5 / 5 (2) 0