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Environmental Health

Improving health and equity by addressing critical environmental issues

Our Impact

See all Environmental Health Impacts

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  • 50+ years 50 years researching links between chemical exposures during pregnancy and health across generations
  • PASSED the most aggressive climate bills in the country: CA SB 32 and SB 1383
  • 10x more pollution episodes identified

Our Work

Our environment, the air we breathe, the food we consume and the climate around us profoundly impact our health. Communities of color and low-income populations are disproportionately exposed to environmental hazards and the impacts of climate change. PHI is in the vanguard of improving health and equity by addressing some of the most pressing environmental issues of our time. We undertake groundbreaking studies. We show how the built environment can influence whether or not an individual will develop asthma, cancer and other illnesses. We educate the public and policy makers about the impacts of climate change on public health, and more.

PHI Priority

Building Health Equity

A network of air monitors installed by community members in California’s Imperial County, with support from PHI's Tracking California, found 10 times more episodes of high particulate matter (PM2.5) levels than had been detected by the government’s regulatory monitors. The predominantly Latino Imperial County has exceeded state and federal standards for air quality measures for decades, and it has the highest asthma-related hospitalization rate for children in the state.

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You change the world. We do the rest. Explore fiscal sponsorship at PHI.

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Together, we can accelerate our response to public health’s most critical issues.


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Breakthrough Infection Study of Over 600,000 Veterans Shows Declining COVID-19 Vaccine Protection

A new pre-print study of over 600,000 veterans by researchers from PHI and the Veterans Affairs Medical Center finds that overall COVID-19 vaccine protection declined significantly between February and August 2021. Declines were greatest for the Johnson & Johnson vaccine (from 88% in March to 3% in August), followed by PfizerBioNTech (91% to 50%) and Moderna (92% to 64%).


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