One Health

  • What is One Health?

    One Health is a holistic approach to advancing human well-being that recognizes that the health of people is closely connected to the health of animals and our shared environment: when we protect one, we protect all.

    Learn more in our short One Health overview video.

  • One Health & EPA Research Partner Support Stories

    Learn how EPA research to help states, Tribes, and communities is connected to One Health in our interactive story map.

    EPA Research Partner Support Stories

  • Why is One Health Important?

    kids and a duck on a walkway by water

    Learn the basics of One Health, why it's important, and EPA's role in the One Health approach.

    Importance of One Health

  • One Health and the Environment

    playground in foreground with a factory emitting smoke in the background

    Pollution in the environment impacts people, plants, and animals.

    One Health and the Environment

  • EPA Work on One Health

    men in construction outfits working in the dirt

    EPA takes action to protect the environmental sector of One Health. 

    EPA Work on One Health

  • One Health Case Studies and Examples

    person fishing on edge of water

    EPA implements solutions to environmental One Health issues.

    Case Studies and Examples

  • One Health Learning Lab

    hands holding a crab

    Learn more about One Health at EPA with these resources.

    Learning Lab

  • One Health EPA Engagement

    people in a conference room

    Join the One Health Community of Practice.

    One Health Engagement
Contact Us About One Health to ask a question, provide feedback, or report a problem.
Last updated on August 4, 2025