It can be useful to Google a company's website and reading their own information about their environmental policies. In addition, we have access to company information from government agencies, watchdog groups, and from our LexisNexis subscription:
The mission of the Environmental Working Group (EWG) is to use the power of public information to protect public health and the environment. See EWG for research on threats to public health and the environment.
Consumer-friendly starting point for potential health effects of chemicals contained in common products used inside and around the home. Search by product type (e.g. pesticide), brand name, manufacturer, ingredients and get linked to more technical information.
TEHIP maintains a comprehensive toxicology and environmental health web site that includes access to resources produced by TEHIP and by other government agencies and organizations. This web site includes links to databases, bibliographies, tutorials, and other scientific and consumer-oriented resources