New ProPublica report finds EPA didn't effectively monitor self-reported emissions by industrial plants

A new report from the nonprofit newsroom ProPublica details how the Environmental Protection Agency's allowance of self-reporting for pollution levels went unchecked. The reporting done by industrial plants showed that some were estimating levels to be 37 times lower than actual emissions. ProPublica's Lisa Song, an environmental reporter, took a deep dive, focusing on U.S. steel plant Clariton Coke Works in Pennsylvania, and the installation of fence line monitors. It comes at a time when the Trump administration is rolling back environmental protections. Song joins us now, briefing us on where her reporting began...