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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.

Explore

girl drinking water

EPA announced drinking water standards for six PFAS chemicals, marking the first time in more than 20 years the federal agency has set an enforceable limit on a new unregulated drinking water contaminant.

chemical safety testing to identify breast carcinogens

Silent Spring scientists advance understanding of how endocrine disrupting chemicals influence breast cancer risk.

Mark your calendars! On October 8, join us in celebrating 30 years of advancing research on breast cancer prevention and building healthier communities together.

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Breast cancer and the environment