"Prime Minister Rudd has to stop pretending that former Prime Minister Gillard didn't achieve an Emissions Trading Scheme," Australian Greens Leader Senator Christine Milne said.
"She did what he couldn't do.
"Julia Gillard negotiated with the Greens and got a great result.
"Rudd negotiated with the Coalition and failed.
"I would be delighted to debate Mr Rudd at the Press Club on climate change."