A new report has claimed that it is possible for world CO2 emissions to be cut by 50% over the next 40 years via a wholesale switch away from fossil fuels towards renewables. Despite previous claims that renewables can only meet a minority of our energy needs this report, by the German Aerospace Center, (commissioned by Greenpeace and Europe's Renewable Energy Council) claims that renewables can generate 70% of world electricity by 2050 and 65% of heat demand.
This 'optimistic' scenario contrasts with the business as usual scenario which is, erm, less optimistic with coal use still dominating. Both are illustrated below;
All fine in principle, but where's the political will?
The full report can be found here;