Green groups urge watchdog to probe "deceptive" emissions cost claims from six corporations
Sector's poor accounts mean it cannot bear the cost alone, says BA chief executive
As government completes its latest auction of carbon credits, analyst warns recovery in prices could prove short-lived
Investors argue governments must do more to deliver strong carbon price signal
Single, compulsory carbon reporting standard is needed to enhance transparency, says employers group
Analyst firm predicts price of EU carbon credits will fall again in the coming months
Latest analysis predicts recession will result in oversupply of allowances during current phase of EU emissions trading scheme
Report predicts faltering market will bounce back stronger than ever over next four years
Government-commissioned study expected to show that carbon price needs to increase eightfold if it is to drive sufficient low carbon investment
Price of carbon hits two-week high as latest EU emissions data confirms market was short last year