The aviation industry has long proclaimed that it has a relatively insignificant impact on global climate change, accounting for less than 3 percent of CO2 emissions. The industry also asserts that because of the high cost of fuel, there is tremendous incentive to reduce fuel usage through more efficient engine technology. In fact, some analysts argue that the industry’s engines have become up to 70 percent more fuel efficient since the 1960s. This article examines the validity of the aviation industry’s climate change claims. […]