[1][2] The report developed under the leadership of Ottmar Edenhofer evaluates the global potential for using renewable energy to mitigate climate change.

[3] In the present time, there is an obvious trend to have more renewable energy sources and therefore to overcome life crisis that can go when oil and gas expire.

The final report was approved at the 11th session of the IPCC Working Group III, May 2011, in Abu Dhabi.

[10] Rajendra Pachauri, chairman of the IPCC, said the necessary investment in renewables would cost only about 1% of global GDP annually.

This approach could keep greenhouse gas concentrations to less than 450 parts per million, the safe level beyond which climate change becomes catastrophic and irreversible.