Al Gore's new Slide Deck

Al Gore's new slide deck makes a couple of strong points. One stands out for me:

Tax carbon instead of income.

The single greatest underutilized tool available to deal with environmental issues is to change what we tax. This is called tax-shifting and is starting to gain currency.

The single greatest underutilized tool we have to deal with congestion is to change what we tax.

Tax road-use instead of fuel.