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.

Main action items

  • 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 on February 3rd for a virtual conversation on PFAS in drinking water on Cape Cod—part of a new speaker series to help communities nationwide address contamination and protect their water quality.

healthy homes

New study will explore the influence of lead hazard control programs on other household exposures including pesticides, allergens, and endocrine disrupting chemicals.

comparing shampoo ingredients

New study shows reading ingredient labels reduces exposures to many endocrine disruptors—but not all

Detox Me app
Breast cancer and the environment