Tim Flannery
Tim Flannery is one of the most celebrated scientists of our time. He is the bestselling author or coauthor of several books, including The Weather Makers, The Eternal Frontier, and Chasing Kangaroos, and a professor at Macquarie University in Sydney, Australia. He is chairman of the Copenhagen Climate Council and a judge for Richard Branson's Virgin Earth Challenge, and he was named Australian of the Year in 2007.