AAP: The federal government has failed its own national interest test on climate change, critics say. The government’s climate adviser, Professor Ross Garnaut, conducted a review recommending carbon emissions be cut by at least 25 per cent by 2020, if the world strikes a strong climate pact. But on Monday, Prime Minister Kevin Rudd announced a non-conditional target of just five per cent, with the option to extend that to 15 per cent if other nations get on board. A coalition …