AAP: Forget global warming – the latest problem is global cooling. Conservation group WWF has blamed climate change for the coldest August in Sydney for more than 60 years. The freezing temperatures are proof of the urgent need to cut carbon pollution, according to WWF development and sustainability program manager Paul Toni. “We can expect more extremes in climate,” Mr Toni said. He said climate records had tumbled over the past year. Australia had its driest …