California is set to unveil a new weapon in its fight against global climate change on Wednesday when it holds its first sale of carbon emissions permits - a landmark experiment that it hopes will

California on Wednesday released an updated draft of its cap-and-trade regulations that for the first time includes language that would link its carbon market to a similar scheme in the Canadian pr

California is putting its reputation as a pioneering environmental heavyweight on the line as it prepares to launch a carbon market in eight months' time.

State regulators are battling the clock, the courts and their own empty pockets as they prepare to oversee the start of the multi-billion dollar carbon market on January 1, 2012.

The idea of capping greenhouse gas emissions and providing c