air – 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 Green Advertising https://blogs.dw.com/globalideas/green-advertising/ Thu, 07 Jul 2011 16:06:21 +0000 http://blogs.dw.com/globalideas/?p=2829