AAP: The federal government has ruled out a deep cut to Australia’s greenhouse gas emissions before 2020, believing the world will not get its act together on climate change soon. The government has set an absolute maximum cut to emissions of 15 per cent by 2020 – if the world signs an effective climate pact – in its greenhouse plan released on Monday. If no pact is signed, Australia will go with an unconditional five per cent cut in emissions. These targets fly in the face …