Australia

British prime minister writes to Julia Gillard welcoming carbon tax policy, as New Zealand reveals success of emissions trading scheme

A$23 a tonne carbon tax confirmed as prime minister attempts to sell controversial levy to voters

Australian Prime Minister ditches plan to target 1,000 companies, and says carbon tax will affect only 500 firms

Plant converting eucalypts into aviation fuel could be operational as early as 2014

Details of controversial levy to be announced on Sunday, alongside plans for new clean tech investment fund

Weak government policy means that compared to Europe green issues are rarely considered in American boardrooms

Treasury modelling suggests job growth will continue despite carbon pricing plans

The battle over the future of Australia's climate change policy is entering a crucial phase as the government prepares to confirm carbon price plans