The world has physical limits that we are already encountering, but our economy operates as if no physical limits exist.

So, congratulations humans, your global contribution is now on par with a gigantic meteor slamming into the Earth.

Here's what peak oil is - it's not running out. It's that you no longer can produce more, and more, and more, year after year. World oil production has been going up about 1.8-2 percent per annum for decades. And that's what the world economy got attuned to.

When it comes to energy policy, I don't think that it's up to the individuals to make energy policy.

I don't take left-right on any of my positions. I take common sense and so again, if alternative energy saves money, it creates jobs, it enhances national security, it's good for the environment - I'm trying to find who's against it, right.

The world has physical limits that we are already encountering, but our economy operates as if no physical limits exist.