Even if we didn't have greenhouse gases, were going to have to move away from fossil fuels, as we're going to run out. They're finite, whereas solar and wind are infinite.

It's going to cost trillions of dollars to rework the energy sources all over the world. Were going to have to move away from fossil fuels.

Making ethanol from corn is a good thing if you want to offset fossil fuels from overseas. On the greenhouse gas side of things, it is not clear if corn, as grown today, is a good thing. We just don't know yet, but it appears to be a mildly good thing.

Even if we were to stop putting out greenhouse gases right now, we'd still face decades of warming.

There's no shortage of Democrats who are at least as committed as Schwarzenegger to reducing greenhouse gases.

We must get rid of fossil fuels by developing injection systems for automobiles, which can run on bio-fuel.