Emissions

But businesses argue more clarity is still needed

Market activity continues to grow with African carbon offsets emerging as the season's "must have"

European Commission proposes reforming VAT rules to help tackle surge in carbon trading fraud

Talks to phase out tariffs intended to help get Beijing on board for Copenhagen climate treaty

Environment Ministry officials coy on possible inclusion of carbon trading scheme

Italy accepted original caps for phase two of European carbon trading scheme, but now wants to emit more

Streamlined online reporting systems to make it easier for firms to report on carbon emissions

But renewable energy funding needs to double to $500bn annually to limit global warming, UN study warns

Carbon market faces months of uncertainty after controversial court decision sets precedent that could see six other countries raise their emission caps

New EPA rules will require around 10,000 heavy polluters to report on their 2010 greenhouse gas emissions