“A fully renewable global energy system is possible: we can reach a 95% sustainably sourced energy supply by 2050. To achieve such a bold goal we need to combine aggressive energy efficiency on the demand side with accelerated renewable energy supply from all possible sources. This requires a paradigm shift towards long-term, integrated strategies and will not be met with small, incremental changes.”
Complete story at: http://motherboard.vice.com/2012/9/12/scientists-have-a-plan-to-power-95-of-the-world-with-renewable-energy
Lokayan - Dialogue of the people 