Australian Greens Leader Bob Brown spoke to 936 ABC Hobart's Leon Compton live from Canberra today about President Obama's visit, the expansion of Australia-US military ties and nuclear proliferation.

“The Gillard government’s plan to host between 200 - 2500 US troops and give expanded access to USA military aircraft should be subjected to a parliamentary debate,” Australian Greens Leader Senator Bob Brown said in Canberra today.

“The Greens welcome President Obama to Australia for a visit that will be quite different to that of George W Bush,” Senator Brown said.

“But Australia should have an independent relationship with its neighbours, its own region and the world, on its own terms.

Australian Greens Leader Bob Brown spoke to 3AW's Tom Elliott today about Julia Gillard's dangerous move on uranium sales. They also discussed equal marriage and the upcoming ALP conference.

Australian Greens Leader Bob Brown said today the prospect of selling uranium to India will horrify many Australians and is a giant step towards another backflip by both major parties: hosting a global nuclear waste dump in Australia in the years to come.

As well as Prime Minister Julia Gillard's flouting of the Nuclear Nonproliferation Treaty, Senator Brown commented on the old parties' stance on equal marriage.

Australian Greens Leader Bob Brown said today the prospect of selling uranium to India will horrify many Australians.

"Julia Gillard and Tony Abbott agree on selling uranium to nuclear-armed India although the Australian people have had no say," Senator Brown said in Hobart.

"It's all about helping multi-billion-dollar mining corporations make more money, as Martin Ferguson would wish, at the expense of regional security. The government has removed the super profits tax from uranium."

Australian Greens Leader Bob Brown and Deputy Leader Christine Milne, flanked by other Greens senators, speak to reporters outside the Senate chamber immediately after the passage of the climate bills.

The Australian Greens are celebrating the historic Senate vote for world-leading legislation to tackle the global nemesis of climate change.

Australian Greens Leader Bob Brown congratulated Greens Deputy Leader Christine Milne and the Gillard government for giving Australia a real breakthrough in tackling that nemesis of climate change.

"People 50 years, or 500 years, from now will thank us for doing this," Senator Brown said.

Australia is closer than ever to a clean energy future, with the bills to put a price on carbon and invest in clean, renewable energy being debated in the Senate. These bills, which wouldn't have happened without the Greens, are a vital first step to tackle the climate crisis and transform our economy.

These are the speeches made by the Australian Greens' MPs during the debate of this historic legislation.

Australian Greens Leader Bob Brown and Senator for Victoria Richard Di Natale, health spokesperson, outlined the Greens' national dental care proposals at a press conference in Canberra today.

Other topics included the Government's political commitment to a budget surplus in 2012-13, the Nationals' "policy" on coal seam gas, and the watered-down mining tax.