CLEVELAND - A study predicts more bad air days in the summer for Memphis and nine other cities if global warming continues unabated.
The cities are expected to have an increase in unsafe air days caused by ground-level ozone, which is formed from a combination of vehicle and factory pollutants and sunlight and heat.
The analysis was conducted by the National Resources Defense Council in partnership with several universities, including Yale and Johns Hopkins. It was just published in the scientific journal Climatic Change.
The cities besides Memphis include Washington, D.C.; Philadelphia; Greeneville, S.C.; Virginia Beach, VA; and Asheville, Raleigh and Wilmington, N.C., and Cleveland and Columbus, Ohio.