Here's how much people will pay to breathe safer, cleaner air: http://www.forbes.com/sites/ucenergy/2016/07/12/how-much-will-people-pay-for-clean-air/#17bcd4b18bcc …pic.twitter.com/P1T295ejnv
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Here's how much people will pay to breathe safer, cleaner air: http://www.forbes.com/sites/ucenergy/2016/07/12/how-much-will-people-pay-for-clean-air/#17bcd4b18bcc …pic.twitter.com/P1T295ejnv