Correction
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George Clark, of Eureka, writes in to correct his letter from last week, "It's Greed," which ran in the Mailbox section of the Jan. 24 edition. Clark clarifies that airline travel isn't the largest source of CO2 emissions in the United states but is the single best way for individuals to reduce their carbon footprints, as each round-trip overseas flight consumes nearly the same quantity of fuel used annually by the average motor vehicle driver.
