The greatest natural heritage property left on planet Earth is being denied its rightful place on the list of World Heritage properties, Australian Greens Senator for Tasmania Bob Brown said today.

In Melbourne to launch polar adventurer David Neilson's book Southern Light: Images from Antarctica, the former Greens Leader called on the Antarctic Treaty 50 member nations meeting in Hobart to give priority to according Antarctic World Heritage status.

The Australian Greens have congratulated Sea Shepherd for helping end this year's whaling season but condemned the Australian Government for their lack of action.

 "Firstly, congratulations to Paul Watson and the Sea Shepherd crews who have single-handedly  saved an estimated 600 or more whales while the Australian and New Zealand Governments did nothing," Greens Leader Bob Brown said today

 "267 whales dead is 267 too many and they would not have been killed if Australia's Minister for the Environment Tony Burke had taken an injunction in the world court and succeeded.

Australian Greens Leader Senator Bob Brown has welcomed news of putative Foreign Minister Bob Carr’s intention to visit New Zealand.

Senator Brown called on Mr Carr to advance on recent talks Senator Brown held with former Foreign Minister Kevin Rudd to seek the Key Government’s backing for a World Heritage nomination for Antarctica.

“I expect Mr Carr might also use his environmental credentials to promote the kiwi plan for a 3.6m square kilometre marine national park off Australia’s Ross Sea ice shelf, “ Senator Brown said

Australian Greens Leader Bob Brown and Senator for Queensland Larissa Waters spoke to reporters in Canberra today about the government's support for making the Great Barrier reef a rubbish dump and called for action in the public interest from the media inquiry report due out today.

The looming Cabinet reshuffle, including hopes for an effective environment minister, and the need to inform the public about the power of lobbyists were among other topics discussed.

Australian Greens Leader Bob Brown joined Greens Senator for Queensland Larissa Waters in Gladstone today to see the environmental crisis in the harbour firsthand and listen to the concerns of the Gladstone community.

"I am very pleased to be back here, getting a firsthand account from Queensland's most engaged Senator, Larissa Waters. A vote for either of the old parties is a vote for this mess," Senator Brown said.

Australian Greens Leader Bob Brown and Greens Senator for Queensland Larissa Waters, alongside local Greens candidates Jonathon Dykyj and Luke Mathews, speak to reporters in Mackay about the coastal impacts of mining, the Great Barrier Reef, Google maps, and the ALP leadership saga.

Australian Greens Leader Bob Brown has called for the Gillard government to seek an injunction in the United States to stop the Japanese whaling slaughter currently underway in Antarctic waters.

A Seattle district court has thrown out an application by Japan for a preliminary injunction to stop Sea Shepherd's anti-whaling campaign. If the case goes to trial the court will hear evidence on the legality or otherwise of whaling.

Today brings further evidence of the need for Australia to send a patrol boat to the Southern Ocean to monitor Japanese whalers, Australian Greens Leader Bob Brown said.

"News of the assault on Sea Shepherd crew members again points to the urgent need for an Australian patrol vessel to be on site," Senator Brown said in Hobart.

Australian Greens Leader Senator Bob Brown responds to news that government has signed a "conservation agreement" that will destroy an area of Tasmanian forests that is equivalent to more than 1000 MCGs. He also announces that he has written to the Attorney-General to request an investigation into the Japanese whaling ships that were in the Australian whaling sanctuary this week.

Australian Greens Leader Senator Bob Brown releases private senator's bill which would require Australia to monitor foreign whaling vessels in and around the Australian Whale Sanctuary. He also talks about the governments' failure to protect 430,000ha of Tasmanian forests as part of the intergovernmental agreement and briefly talks about the proposed weakening of national environmental protection laws.