The world’s biggest furniture retailer, IKEA, generated 34% of the energy it used last year through renewable energy sources – and now plans to double its investment in renewables by 2020.
A new solar cell that is cheap, environmentally friendly, and durable has been developed by researchers from Northwestern University.
Solar power may be cheaper than electricity generated by fossil fuels and nuclear reactors within three to five years because of innovations, said Mark M. Little, the global research director for General Electric Co. (GE)
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