Hours after taking office, Australia’s new prime minister, Kevin Rudd, initiated the process of ratifying the Kyoto Protocol, an international agreement to reduce greenhouse gases to help fight climate change. (See, for instance, the Sydney Morning Herald or the BBC). 174 countries have ratified the agreement; the United States is notably absent, especially now that Australia is joining their ranks.
Map of countries and their position towards the Kyoto Protocol. Green countries have signed and ratified the treaty; yellow countries have signed but not yet ratified it. Red countries have signed but have no intention of ratifying. Gray countries have not taken a position. See full-sized version. Source: Wikipedia.