Plan for 10 billion ultra-efficient LEDs lights up Paris climate summit

Source: http://www.theguardian.com/environment/2015/dec/07/plan-for-10-billion-ultra-efficient-leds-lights-up-paris-climate-summit

Date: 14-12-2015

Lighting alliance unites Ikea and Philips with India and China in ambitious blueprint for global lighting overhaul

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