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.


Thank you to all our friends and supporters for making our 2023 Gala Celebration a tremendous success! Check out the highlights, including photos and videos of the evening.

firefighters occupational exposures

A new analysis describes how community-based participatory research (CBPR) can be an effective tool for protecting women workers from hazardous chemical exposures on the job and creating healthier work environments.

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.

Detox Me app
Breast cancer and the environment