There's a lot you can do to limit your emissions while driving. Control your speed, get a fuel efficient vehicle, even carpool. But no matter what you do, you can't reduce your emissions to zero.

For a few dollars a year you can purchase "carbon offsets" for the emissions you can't reduce directly, just like Google does.

I use terrapass, but I'm sure there are other organizations out there.

Interested in an energy-efficient auto? You're in luck. That's because nearly every major car company has a hybrid line, or has plans to introduce one soon.

But enter the showroom, and instead of seeing green, you may be seeing red. Many of the market's hybrids—cars which combine gasoline engines with battery-powered electric motors—forsake fuel-efficiency in the name of power and performance.

Mild-hybrids may not save you money at the pump, but they are a little nicer on the environment.

Nice ad, but I ain't giving up meat just yet.

On 405… You don't see a lot of them around.

A basic principal of economics is that of supply and demand. If demand for a commodity rises and the supply does not, the price increases. With demand for electricity in the US expected to increase by fifty percent over the next three decades and expansion of generating capacity in a holding pattern in many cases, prices for electricity are expected to rise.

As I said before, it's inevitable.

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