The activist who wrote a 2012 memo encouraging anti-fracking groups to connect health problems and fracking even when no evidence existed to support the claims recently co-authored a report admitting that the vast majority of scientific research shows no harmful air pollutants near oil and natural gas sites.
A literature review of studies that have unsuccessfully attempted to show fracking is negatively impacting health is getting some media attention based on its claim that air quality monitoring and modeling may not capture the full picture of oil and gas development impacts.