Watchdog files official request calling for reinstatement of polluter pays tax to support cash-strapped Superfund clean-up programme
New prime minister Julia Gillard pledges to "re-prosecute the case for a carbon price"
Disclosure forms from 2008 reveal Louisiana district judge held shares in Transocean, Halliburton and a host of oil firms
Judge orders lifting of deepwater drilling moratorium, Obama administration promises immediate appeal
Meeting to be rescheduled as Obama clears his diary for showdown with General McChrystal
White House meeting with key Senators expected to finalise climate bill strategy
The speech may have been lacking in green substance, but the full budget report still contained a handful of important low carbon commitments
Treasury confirms it will impose a floor price on carbon and push up landfill tax
The focus on deficit reduction was expected, but it provides no excuse for the absence of green commitments
Climate change and green economy barely mentioned as chancellor delays reform to aviation tax and skates over plans for green bank