Supported by the following organizations
This is to certify that Jason Zarn successfully completed and received a passing grade in PH278.Ax: The Health Effects of Climate Change a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Aaron Bernstein, MD MPH
Co-Director, Center for Climate, Health and the Global Environment Harvard T.H. Chan School of Public Health
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- Verified Certificate Issued October 15, 2025
- Valid Certificate ID cc3e8c33fa664f349fe965a6c2d490d9