Whitehall set to tighten the criteria it uses to buy carbon offset credits
Report predicts faltering market will bounce back stronger than ever over next four years
Proposals for global levy in contrast to aviation industry's call for cap and trade
Government-commissioned study expected to show that carbon price needs to increase eightfold if it is to drive sufficient low carbon investment
BA, Cathay Pacific, Air France/KLM and Virgin Atlantic to present UN with proposals for global aviation cap-and-trade scheme
Price of carbon hits two-week high as latest EU emissions data confirms market was short last year
Senior House Representatives launch new bill that requires deeper emission cuts than those proposed by Obama
Carbon market analysts IDEAcarbon provides a heads up on the key dates likely to shape the market over the month ahead
EU emissions trading scheme will deliver no real change without tighter caps, say leading charities
Report argues that just 0.6 per cent of UK stimulus package will go towards new green measures