grenoble's like wind and solar and nuclear capacity in the energy mix. >> china is pouring money into the development of clean technology. driving down costs around the world. the critics say the pace of change is not happening quickly enough to make a significant difference. in the future grenoble's and clean technology may go along way to meeting china's energy needs, but for now, it will be cold that continues to fuel the country's breakneck development. growing prosperity year will lift millions out of poverty but it is coming at the cost to the environment. >> negotiations at the climate conference recalled around china's intentions. one development is china says it may accept a binding cut of its carbon emissions after 20/20. i'm joined now by web ccam. how cigna begin is this plan of china and is it having an impact on negotiations in durban? >> this is the first time i have heard the clarity that china put on the table its mission. they want to take a major step forward in biting its emissions. to subscribe, its domestic action into the framework. this is significant in terms