Construction and Home Care


Developed by the architecture firm Perkins + Will, Transparency is a website to “put the precautionary principle into action” in the building industry.   The site allows users to identify toxic chemicals in building products.  You can search by  chemical of concern, product, project area, Masterformat specification, health hazard, or environmental hazard.  Site also includes articles, background description of precautionary principle, and information about efforts to get toxic chemicals out of building materials.


Mindful Materials

Central data for manufacturer data on sustainable building materials.  Can search by material type, brand or Construction Specification Institute number.


PFAS in Building Products

Polyfluoroalkyl substances (PFAS) are a class of chemicals widely used in the building industry.  PFAS are persistent, bioaccumulative, and those that have been studied have been shown to be toxic at very low levels.


Safer Insulation

Green Science Policy Institute’s advice on safer insulation products

Alliance for a Healthy Tomorrow

c/o Clean Water Action/Clean Water Fund
P.O. Box 83 554 Washington Street
Dorchester, MA 02124

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Join us in fighting for a
healthier environment.