The value of the market may have flat-lined, but the volume of credits being traded went from strength to strength
"Clean coal" system promises to separate CO2 from clean-burning gas and sequester it back underground
But expert warns UN offset market could still be heading for investment crisis
As industrialised nations pledge $3.5bn to forest protection, key negotiator reveals REDD agreement is close to being finalised
Document suggests processes for approving Clean Development Mechanism projects will be streamlined
Europol estimates carbon credit VAT fraud carried out by organised criminals could have cost EU billions in lost tax revenue
Anger over decision to bar 10 Chinese wind energy projects from entering UN-approved carbon offset scheme
Danish government joins UK, France and Netherlands in imposing new rules to tackle "carousel fraud"
Uncertainty over Copenhagen leads to slow trading week
More than €334m loaned through China-EU scheme since 2007, reducing emission by 1.57 million tons annually