What’s a Human Life Worth? The E.P.A. Says Zero Dollars. - The New York Times Highlight

Michael Greenstone, an environmental economist at the University of Chicago, said the change could result in dirtier air, undercutting the gains made since Congress strengthened the Clean Air Act in 1970. Steep reductions in PM2.5 pollution have added 1.4 years to the average American’s life expectancy since 1970, according to research by the University of Chicago’s Air Quality Life Index project.

“Clean air is one of the great success stories of government policy in the last half-century,” Dr. Greenstone said. “And at the heart of the Clean Air Act is the idea that when you allow people to lead longer and healthier lives, that has value that can be measured in dollars.”