Special Series
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In a Series
Planes, Trains, and Automobiles
Posted by
Clark Williams-Derry
02/08/2008 10:00 AM
How we estimated emissions from vehicle travel.
We've gotten a few questions already about how we came up with our charts on the climate-warming impacts of travel choices. The charts compare the global warming impacts of cars, SUVs, vanpools, planes, buses, and trains. And since I couldn't find a single, unified data source for all of that -- at least, not one that I couldn't poke some holes in -- I compiled our figure from scratch, using a bunch of different sources.
So in case you're the sort of person who gets excited about numbers and footnotes, there's plenty -- plenty, I say -- of data wonkery to follow...
