U.S. airlines received a $15 billion subsidy in December’s COVID relief package. The subsidy was for the companies to re-employ thousands of their furloughed employees and keep them on the payroll until at least the end of the first quarter of this year. Congress, and the President, attached no other strings to the huge subsidy, even though airlines social costs, in terms of climate disruption, are huge. In 2018 airlines produced a billion tons of CO2 and benefited from a $100 billion subsidy by not paying for the climate damage they caused, a report published in the November 2020 journal Global Environmental Change, pointed out. The report, summarized in The Guardian on November 17th, drew together data to provide a global picture of the impact of frequent fliers. The conclusion reached by the study’s authors, led by Stefan Gössling at Linnaeus University in Sweden, is that a tiny fraction of the global population benefits from the highly subsidized airline industry while the rest...