Last Updated : Thursday, 25 January 2007, 14:45 GMT
Energy roadmap backs renewables
Half of the world’s energy needs in 2050 could be met by renewables and improved efficiency, a study claims.
It said alternative energy sources, such as wind and solar, could provide nearly 70% of the world’s electricity and 65% of global heat demand.
Following a "business as usual" scenario would see demand for energy double by 2050, the authors warned.
The study, by the German Aerospace Center, (...)
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