Many environmental toxics have made their way into the environment through industrial processes or human carelessness. Of the more than 77,000 chemicals produced in North America, many are now found in water, air, and even food, with a variety of harmful effects.

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Carolyn Raffensperger - A Precautionary Tale
Carolyn Raffensperger

The "precautionary principle" means acting to avoid potential harm even before harmfulness has been proven.

Green School Design -Cost-Effective, Healthy, and Better for Education
Gregory Kats

Green school construction and upgrading is cost-effective, healthier, and helps integrate sustainability into the curriculum.

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