You've got your eye on a monstrous new Ford Excursion? Shame on you. We Americans already emit more greenhouse gas than any other country. As the Kyoto summiteers of 1997 made clear, we've got to change. Take responsibility. Foot the global bill. Retire fossil fuels. Get the carbon out of our air. Hold the shame, it looks like it's already out. We release 1.6 billion metric tons of carbon per year into North American air by burning fossil fuels. Prevailing winds blow west to east. This means carbon dioxide concentrations should be 300 parts per billion higher in the North Atlantic than in the North Pacific. But in fact, they're about 300 parts per billion lower.
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