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Environmental Health Investigations branch

People in different environments where they might be exposed to chemicals.


The Environmental Health Investigations Branch (EHIB) studies and explains how the health of our environment affects our health. We provide information that can help reduce human exposure to harmful environmental risks. Our mission is to protect the health of all Californians by identifying environmental hazards, partnering with communities to build their capacity, and promoting healthy environments.

Learn more about EHIB. 

What's New?

  • Public Health Impact of Prescribed Fire: Report on Listening Sessions. The State plans to increase the use of prescribed fires to reduce the risk of high-intensity wildfires and restore forest health. Although prescribed fire offers an important tool to reduce wildfire risks, concerns exist about the public health implications of smoke generated by prescribed burning. EHIB held two virtual listening sessions to hear from community members in high wildfire risk areas in Nevada and El Dorado counties about their knowledge, attitudes, and perceptions of the public health impacts of prescribed fire and wildfire, and to learn about their messaging preferences.

  • Asthma Infographics. California Breathing developed plain language infographics that provide a snapshot of asthma data in California

  • Mold in the Home Video Series. Moisture and water leaks at home can turn into a harmful mold problem. Our six new videos, in English and Spanish, can help you identify issues and find solutions.

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