Officials set out plans for more robust "additionality" rules
Announcement expected next month but new status of carbon offsetting charity unknown
Offset providers are angry over the government's sidelining of successful emission reduction projects – and it's all Coldplay's fault
Voluntary Carbon Standard aiming to bolster confidence in carbon credits
Forum for the Future insists voluntary offset projects are delivering both environmental and development benefits
Lord Stern to unveil new carbon risk rating system designed to help firms identify dodgy carbon credits
New service to let customers select the type of carbon offset projects they want to support
Eight firms sign up to International Carbon Reduction and Offset Alliance with goal of establishing "clear blue water" between established firms and cowboy operators