Interesting Factoid

Yoram Bauman, an environmental economist at the University of Washington, says:

As a very rough rule of thumb, flying produces the same carbon emissions per passenger as driving the same distance solo in a 30 mpg vehicle.

He also agrees with Appell's Theorem:

Let’s be realistic: If Americans have to give up on air travel and hot showers in order to save the world, then the world is just not going to get saved.