Collaborative for Health and Environment

06/18/2026

CHE BLOG: Waste Tires in Artificial Turf Infill (Part 1): Understanding OEHHA’s health risk assessment

In March 2026, the California Office of Environmental Health Hazard Assessment (OEHHA) published a long-awaited final report on its effort to estimate health risks from exposure to tire crumb in artificial turf infill.

Dr. Rachel Massey, CHE Senior Science & Policy Advisor, and Dr. Sarah Evans, Associate Professor, Icahn School of Medicine at Mount Sinai, offer a few observations about what the OEHHA study can and can’t tell us about health risks related to tire crumb.

🌱To read the full blog, visit

In March 2026, the California Office of Environmental Health Hazard Assessment (OEHHA) published a long-awaited final report on its effort to estimate health risks from exposure to tire crumb in...

06/15/2026

The warm weather is increasing the bug population🐜

Swipe to see 3 ways to reduce bugs without using chemicals, or visit https://prhe.ucsf.edu/toxic-matters

06/04/2026

Tomorrow is World Environment Day🌳

This year’s focus is on climate change and taking meaningful action to protect people and the planet. Join us in continuing to amplify the latest scientific evidence and supporting a healthier future for all 🌎

To see CHE’s resources on climate, visit https://www.healthandenvironment.org/key-topics/climate

06/03/2026

Plastic chemicals and microplastic exposures must be reduced to protect children’s brains 🧠

Project TENDR's new scientific consensus statement on how chemicals in plastics and microplastics are harming children's brains is now published in the June issue of Environment International.

To read the full paper, visit

05/28/2026

For AAPI Heritage Month, we’re celebrating three individuals working to protect communities from environmental health hazards: Miya Yosh*tani, Dr. Mydzung Chu and Michelle Gin🌱

“One of the core values of environmental justice organizing is that we speak for ourselves. . . We’re talking about people’s health, economic opportunities, and their ability to live freely, with the quality of life they deserve.”

To see the full post, visit instagram.com/che_healthenv

05/27/2026

Did you know neonicotinoid pesticides are the most widely used class of insecticides in the world? 🌽

US Right to Know published a new fact sheet this week highlighting the health risks and concerns related to neonicotinoid pesticides.

“Scientists are sounding the alarm about rising extinction rates worldwide, and research indicates that neonicotinoids are contributing to insect declines and creating more toxic agricultural lands.”

To see the full fact sheet, visit

A growing body of scientific evidence raises concerns about the human health risks of neonicotinoid exposure, including neurotoxicity and reproductive toxicity.

05/26/2026

⚠️Tens of thousands of people are under evacuation orders due to the threat of a potentially catastrophic release of methyl methacrylate (MMA)

For up-to-date information on this emergency, see the Health Advisory published by the California Department of Public Health and the City of Garden Grove emergency page.

To learn more about MMA and its health impacts, visit

Over the long weekend, tens of thousands of people were under evacuation orders due to the threat of a potentially catastrophic release of methyl methacrylate (MMA). For up-to-date information on...

05/26/2026

May is Asian American Pacific Islander (AAPI) Heritage Month🪷

This year's AAPI Heritage Month theme is ""Power in Unity: Strengthening Communities Together."" We are highlighting the work and passion of environmental justice organizations who are advocating for safer and healthier communities and providing tools for the next generation to continue the work.

“We want a world where Asian and Pacific Islander communities – and all communities of color – have full power to access good health and a healthy environment.”

🌱To view the full post, visit instagram.com/che_healthenv

05/21/2026

We are thrilled to announce a powerful new chapter for an iconic Marin tradition. On Saturday, October 24, 2026, Zero Breast Cancer and Breast Cancer Prevention Partners will join forces for the annual Dipsea Hike for Prevention in Mill Valley, CA — a day of community, action, and hope on the legendary Dipsea Trail. We hope you can make it!

Collaborative for Health and Environment is ZBC's home organization

05/20/2026

Did you know the changing climate has a significant impact on our mental health?💭

Dr. Robert Feder from Climate Psychiatry Alliance explains the correlation between climate change and mental health in this new 10-minute Science Explainer video.

🌱To watch the full video, visit

Dr. Robert Feder from Climate Psychiatry Alliance explains the correlation between climate change and mental health in this new 10-minute Science Explainer v...