SSI: An Introduction

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Silent Spring Institute is a mission-driven scientific research organization dedicated to uncovering the environmental causes of breast cancer

Our independent research is empowering a revolution in environmental health to prevent cancers by reducing people's exposure to harmful chemicals where they live, work, and play.

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Our innovative research is made possible thanks to philanthropic partners, foundations, and dedicated supporters like you.

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  • We believe everyone has a right to clean air, clean water, and safer products and that no one should get sick from toxic chemicals.

  • our science

    We are creating new knowledge about cancer-causing chemicals—how we are exposed and how they affect our health.

  • Our work is strengthening policies to protect consumers from toxics while making prevention a national research priority.


Please join us on October 12 as we celebrate outgoing Executive Director Dr. Julia Brody for 27 years of outstanding leadership and scientific excellence. 

We are investigating the relationship between PFAS contaminants in drinking water and their effects on human health. Findings from the study will inform policies to protect public health and support communities in reducing their exposures.

prop 65 VOCs

New study by Silent Spring Institute and UC Berkeley shows people exposed to multiple chemicals that can cause cancer, birth defects, or reproductive harm.

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Breast cancer and the environment