"If the Prime Minister is serious about tackling violent crime, then she should get tough on gun control" Australian Greens leader Christine Milne said today while commenting on the Commonwealth referral of powers.

"The Commonwealth referral of powers relating to gangs that the Prime Minister announced today should extend to guns.

"Now is the time for the Prime Minister to seek both the referral of powers relating to gangs and to guns from the states to the Commonwealth.

'No one has any tolerance for gang land violence and shooting in Australian cities.' Australian Greens leader Senator Christine Milne said

'The Prime Minister's task force with additional personnel able to work across state borders will be a good step in combatting crime.

Australian Greens leader Senator Christine Milne held a press conference to discuss climate change, welcoming the scientists with the Intergovernmental Panel on Climate Change (IPCC) who are meeting in Hobart this week; and also commented on Newstart, the mining tax and gun control.