The full story... Oppn: Combet on Abbott: 'complete bullshit' TIM PALMER: There's been widespread support for the Government's announcement today that Australia will sign up to a second phase of the Kyoto Protocol, as negotiations continue for a new climate change agreement to start in 2020. The Opposition Leader's left it to his climate spokesman, Greg Hunt, to respond. He says Mr Combet's personal attack is a sign of Labor's desperation. From Canberra, Alexandra Kirk reports. ALEXANDRA KIRK: One of the first things the Labor Government did after winning in 2007 was to sign up to the Kyoto Protocol, the global agreement to cut greenhouse emissions. GREG COMBET: And today I'm proud to announce that Australia's ready to join a second commitment period of the Kyoto Protocol. Australia is taking this position to the UN conference at Doha. (applause) ALEXANDRA KIRK: The Climate Change Minister, Greg Combet, told a carbon expo conference the commitment depends on developed and developing countries making progress on a new global agreement with a legally binding commitment for all major emitters, to be finalised by 2015 and start in 2020. Australia's joining the next seven year phase of the Kyoto Protocol, promising to reduce emissions to 5 per cent below 2000 levels by 2020. More ambitious cuts are on the table if developing countries sign up to the new agreement. CHRISTINE MILNE: There's a real danger that we will lock in a low level of ambition globally and it certainly means that developing countries will