Yet another benefit of Carmegeddon!
Reshared post from +Irina Tcherednichenko
""We saw what we expected: you take motor vehicles away, the air gets really, really clean," Paulson says, "which tells us that most of the pollution is from motor vehicles from one type or another in this area."
L.A.'s 'Carmageddon' Produced Dramatic, Instantaneous Air Quality Improvements
Researchers measuring pollution during last year's 405 closure find air quality improved by as much as 83 percent.