According to James Hansen, the single most important action needed to tackle climate change is to reduce Australia | Western Australia | South Australia | Victoria (Australia) | Order of Australia | Liberal Party of Australia | United States Department of Energy | Prime Minister of Australia | International Atomic Energy Agency | Leadership in Energy and Environmental Design | High Court of Australia | University of Western Australia | Anglican Church of Australia | Governor-General of Australia | Department of Energy | Kimberley (Western Australia) | National Party of Australia | National Gallery of Australia | Australia national rugby union team | Uniting Church in Australia | National Library of Australia | University of South Australia | States and territories of Australia | Premier of Western Australia | Local government in Australia | Adelaide, South Australia | Opera Australia | United States Atomic Energy Commission | Australia Day | National Museum of Australia | Similar