Sydney Morning Herald: BROOKE SATCHWELL’S life is a staple of glossy magazines but in her own time the actor has been ploughing through the Garnaut report – the weighty, 600-page tome outlining the economic impact of climate change on Australia. “I was forewarned it was going to be a very dry read but it’s not, actually, it’s very interesting,” she said. Along with other prominent young Australians, including swimmer Ian Thorpe, Satchwell is participating in Power Shift, the biggest climate-change …