I’m worried, frankly, about the long-term effect of the steep drop in the price of oil. Lower prices at the pump – some places are registering under $2 a gallon for the first time in years – could cause rising fuel consumption, especially if motorists in America and elsewhere are tempted to buy SUVs and other less-fuel-efficient vehicles. That, of course, will lead to more greenhouse-gas...
The wreck of the Kulluk, and how to make sure it never happens again
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