cop 18 – 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 How to plant a tree inside a building https://blogs.dw.com/globalideas/how-to-plant-a-tree-inside-a-building/ Fri, 30 Nov 2012 16:00:16 +0000 http://blogs.dw.com/globalideas/?p=9403