Authorities Monday shut down Mexico's -- and possibly the world's -- biggest garbage dump and said they would invite bids to exploit methane gas generated by the decomposing waste.

Space & Earth - Environment

Dec 20, 2011 5 / 5 (1) 3

(PhysOrg.com) -- A town in Britain has recently demonstrated its new "'leccy vehicle" - an electric garbage truck that is fueled by the garbage it collects. The Kirklees Council presented the waste-powered ...

Technology - Energy & Green Tech

Feb 02, 2009 3.5 / 5 (6) 7