THE CLIMATE'S HOT TOPIC | Philadelphia Inquirer | 08/11/2008

What you hear about global warming can vary as much as, well, the weather.

One day, California Gov. Arnold Schwarzenegger is quoted saying: "We simply must do everything we can in our power to slow down global warming before it is too late. The science is clear. The global warming debate is over."

Another day, former Pennsylvania Sen. Rick Santorum says this: "Americans are coming to understand that global temperatures have actually cooled over the last 10 years and are predicted to continue cooling over the next 10."

On another day, dozens of papers proclaim that the sun is at fault, since the Max Planck Institute for Solar System Research demonstrated that the sun has burned brighter in the last 60 years than any time in the last 1,100 years, or 8,000 years, depending on the news source.
...
Lindzen takes the view that the climate doesn't need human intervention to change over the course of decades or centuries. "The whole notion that something outside has to cause a change is absurd," he said. "The system is never in equilibrium; it's always wobbly."