Canberra Times: LEADERS of the world’s emerging economies have rejected a push from the Group of Eight industrialised nations, backed by the Prime Minister, Kevin Rudd, to commit to cutting their greenhouse gas emissions as part of a new international deal to tackle climate change. On the final day of the G8 summit in Japan, a declaration by the world’s major emitting economies refused to endorse the rich world’s goal of halving emissions by 2050. Mr Rudd, who addressed the meeting between …