SSI: An Introduction

female scientist

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.

Learn More About SSI

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.


Join us for an evening of celebration, hosted by award-winning television host, journalist, and producer, Meredith Vieira, and featuring Nancy Koehn historian and bestselling author of Forged in Crisis.

mother on couch with daughters

New analysis calls into question effectiveness of fire safety regulations that lead to the use of hazardous chemicals in furniture.

dental floss

Analysis shows association between Oral-B Glide dental floss and higher exposures

Detox Me app
Breast cancer and the environment