Scientists see hotter, drier 21st century, with more immigrants » Ventura County Star

The Oppenheimer study ignited a controversy among climate experts. Roger Pielke Jr., a professor at the University of Colorado specializing in climate change issues, called it “silly science.”

“Climate change is real and worthy of our attention,” he said. “But this paper reflects a common pattern in the field of trying to pin negative outcomes on climate change using overly simplistic methods and ignoring factors which have far more effect.”

At the conference this week in San Francisco, Oppenheimer admitted that the paper had “a lot of uncertainties.”

Michael McCarthy: Cancun was a triumph for global co-operation - Commentators, Opinion - The Independent

So what do you say to that if you're a sceptic? That you're the one walking in step, while all the governments of the world have got it wrong? That's what they used to say about flying saucers.