Department of Environmental and Occupational Health Sciences
Working together to support communities with clean air, clean water, safe food and safe workplaces.
Our news
How safe are hair extensions?
DEOHS MS alum Dawn Johnston taps into her background in haircare to study toxic chemicals in synthetic hair braids
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Experts warn of a weed killer’s health harms
At Seattle Glyphosate Symposium, dozens of scientists urge regulators to protect public health from the widespread pesticide
Transforming food systems in the classroom
Food Systems faculty receive Distinguished Teaching Award for collaborative team teaching
Our impact
No. 3 in the US
for environmental and occupational health programs
400 hours in the field
where students apply classroom skills during internships as part of their undergrad experience
$23+ million
in external funding to tackle emerging environmental and occupational health challenges
Learn with us
Student excellence
Victoria Peña, MS Applied program
Master’s student helps Sound Transit keep passengers and employees safe
Our degrees
Explore urgent environmental public health problems from the health impacts of climate change to on-the-job injuries and illnesses. Gain hands-on experience in the field and lab to equip you for careers in public health, workplace safety, research and more.
Our expertise
Media mentions
What is ‘white liquor,’ the chemical spilled in Longview mill implosion, and why is it dangerous?
May 28, 2026 | The Oregonian | Featured: Marissa Baker, Coralynn Sack | ViewDetails emerge of complex cleanup effort after deadly Longview tank implosion
May 28, 2026 | The Seattle Times | Featured: Marissa Baker | ViewGreatest risk now in Longview blast is for crews in cleanup, recovery effort, expert says
May 28, 2026 | KATU | Featured: Marissa Baker | ViewWest Coast chemical emergencies raise questions about the safety of massive industrial tanks
May 27, 2026 | AP News | Featured: Marissa Baker | ViewUpcoming events
DEOHS end of year celebration
Join us from 5 - 7 p.m. on June 12 to celebrate the end of the year and our graduates!
More information