The modern world is awash in chemicals created by mankind to serve various purposes in agriculture, industry and the built environment that have significant unintended consequences. The average human body (including those in remote locations) now contains dozens of toxic chemicals that didn’t exist a century ago - and these chemicals find there way into the food chain in incredibly harmful ways. Each year more and more chemicals are created and unleashed on the planet for the “benefit” of a few and to the detriment of all. Cascadia adopts the Precautionary Principle and will seek ways to influence the identification and elimination of such chemicals in the built environment.