Australian Broadcasting Corporation: The new treaty to tackle climate change signed in Bali at the weekend has been welcomed by Australian scientists as a "step in the right direction" and a vindication of their work in the field. The 13-day United Nations Framework Convention on Climate Change delivered a deal that sets the framework for a long-term agreement on emissions cuts to succeed the Kyoto Protocol which expires in 2012. The Bali Roadmap does not specify a clear emissions goal, but mentions the …