Australian Broadcasting Corporation: Climate change does not exist. It is the greatest challenge of our time. It is about transferring US wealth to developing countries. It is about saving the planet. This is the chasm between Democrats and Republicans - it is not even a debate.
"It's our wake-up call - the alarm bells are ringing and as long as I'm president, America will lead the world to meet this threat before it's too late," Mr Obama said, before heading to Alaska to spend time with Bear Grylls, eat bear-chewed Salmon and see...