Associated Press: Australia said Monday it plans to cut its greenhouse gas emissions by as little as 5 percent by 2020 — a reduction that critics say undermines international efforts to reach an effective global pact next year to avert dangerous climate change. Prime Minister Kevin Rudd said the interim plan would not affect his commitment to slash the carbon emissions that are blamed for global warming by 60 percent from 2000 levels by 2050. But Rudd was rebuked by an environmental activist …