Dubai, which has already made significant progress towards reducing its carbon footprint, has announced the launch of the Dubai Clean Energy Strategy 2050, an ambitious project that aims to make the city the cleanest in the world, in terms of energy, by 2050. The city has invested billions of dollars in researching and developing technology, including 3D printing, to create new sources of clean energy. Read more at 3DPrint.com: http://3dprint.com/108049/dubai-clean-energy/