Soot and dust particles in the air can be a serious health threat. When they get into the lungs, they can trigger asthma, heart attacks, and strokes. The EPA has been trying to reduce the amount of particulate matter in the air for more than 20 years. But for the last several months, farm-state lawmakers have been up in arms about fears that the agency was preparing to regulate dust generated by farmers. KPR's Bryan Thompson has the latest.
(Note--The second audio file is an alternate version for Harvest Public Media.)
