They're on practically every corner. Some people feel nervous at the gas pump. Others are outraged. Everybody knows prices are going nowhere but up.

Did you know a gallon of gas weighs about 6 pounds - or 2.7 kilos? Almost all of it - 5 pounds, 2.2 kilos - goes straight into the atmosphere as carbon dioxide, out the exhaust pipe. And that substantial weight, for every additional gallon or liter we burn, remains as CO2 for 100,000 years.

Don't believe it? Stay tuned. We'll talk with David Archer, a top climate scientist. He's the author of "The Long Thaw". That's what we're living in, the time all humans will live in, for ten times the length of all history. In our second half hour.

First, I want to know: when does the oil society seize up? What happens to the American way of life, if gasoline goes to $7 a gallon? That's what financial expert Jeff Rubin predicts. Think that's tough? What about $20 a gallon?

We're going to dive right into an interview with Chris Steiner. Christopher Steiner is senior staff reporter at Forbes magazine. His new book is Twenty Dollars per Gallon: How the inevitable rise in the price of gasoline will change our lives - for the better.

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