materials – 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 Saving Green Technology https://blogs.dw.com/globalideas/saving-green-technology/ Mon, 30 May 2011 07:37:57 +0000 http://blogs.dw.com/globalideas/?p=2515