back to the future – GLOBAL IDEAS Blog https://blogs.dw.com/globalideas Thinking for a cooler world Thu, 02 Oct 2014 08:32:05 +0000 en-GB hourly 1 Scientists turn trash into crude energy https://blogs.dw.com/globalideas/scientists-turn-trash-into-crude-energy/ Thu, 07 Feb 2013 18:10:57 +0000 http://blogs.dw.com/globalideas/?p=8629