Ministry of Finance is reportedly preparing a report on the viability of environmental taxes
Landmark ruling strengthens Obama's hand as he tries to force through climate change bill
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
BA, Cathay Pacific, Air France/KLM and Virgin Atlantic to present UN with proposals for global aviation cap-and-trade scheme
Senior House Representatives launch new bill that requires deeper emission cuts than those proposed by Obama
US cap-and-trade scheme successfully completes third carbon allowance auction
International Maritime Organisation considers mandatory measures to help enhance fuel efficiency
President signals he is willing to compromise on cap-and-trade legislation and allow some free allocation of carbon permits
President backs up environmental rhetoric with the greenest budget in US history