A rundown of the key announcements affecting green businesses
Treasury to increase tax discount for firms that sign up to Climate Change Agreements
Company car tax frozen from April 2013 for cars emitting less than 95 grams of CO2 per kilometre
Chancellor snips 1p off fuel duty, taxes private jets, and vows to fight for international laws preventing per plane tax
Reports warn Treasury is planning to neuter proposed Green Investment Bank
Commissioner Algirdas Semeta plans overhaul of Energy Taxation Directive in a bid to reduce burden on biofuels
But poll reveals considerable public opposition to carbon trading proposals
Green building industry welcomes reports budget will feature stamp duty tax breaks, but warns further regulation still needed
Prime minister clashes with opposition leader as Labor government pledges to push forward with emissions trading plans
Australian prime minister vows not to take a backwards step on fixed carbon tax