Polyfluoroalkyl substances (PFAS) are a large, complex group human-made substances. They are nicknamed 'forever chemicals', as their rate of decay in the environment is so slow - and throughout this long period of decay, they can cause significant damage to our environment. Read this blog post to find out about our exposure to PFAS, about PFAS in Canada’s drinking water, about their environmental consequences, about their impacts on us and the environment, and more.