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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  • Core Values

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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

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

  • Our Impact

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

Explore

female firefighter and breast cancer

Firefighters exposed to chemicals linked with breast cancer

Study led by Silent Spring identifies 12 toxic chemicals that put female firefighters at increased risk for the disease.

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early-onset breast cancer: opportunities for prevention

Science Café: Early-onset breast cancer and opportunities for prevention

Join us for a conversation about breast cancer in young women, why incidence rates are on the rise, and how Silent Spring Institute is uniquely positioned to advance research on this critical public health issue. 

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a picture of health: tracking the U.S. population's exposures to toxic chemicals

People’s exposure to toxic chemicals declined in the U.S. following listing under California law

First study to evaluate effectiveness of Proposition 65 shows benefits of law extend nationwide

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Detox Me app
Breast cancer and the environment