Per- and Polyfluoroalkyl substances, PFAS, have come under increasing scrutiny over the past years. This family of chemicals, sometimes called forever chemicals, are have been found in many products and industrial application around the world. For the aviation industry, they’re most commonly found in the foam used to combat airfield fires. But what exactly are these chemicals and what is the danger posed by them? In this episode, Rosa Gwinn, Global PFAS Technical Leader for AECOM, and Scott Wilson, CEO and President of REGENESIS, join assistant editor Walker Jaroch to discuss the harm PFAS pose to people and the environment – and what can be done about them.