But the extractive industries shouldn’t be the only targets of the “polluter pays” principle. The U.S. military is by some accounts the largest single consumer of petroleum in the world. In 2011, the Department of Defense released, at minimum, 56.6 million metric tons of CO2 equivalent into the atmosphere, more than the U.S.-based operations of ExxonMobil and Shell combined.46 So surely the arms companies should pay their share. The car companies have plenty to answer for too, as do the shipping industry and the airlines. Moreover, there is a simple, direct correlation between wealth and
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