Supported by the following organizations
This is to certify that David Doogan successfully completed and received a passing grade in ENGSCI137x: Energy Within Environmental Constraints a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
David Keith
Gordon McKay Professor of Applied Physics, and Professor of Public Policy HarvardX
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- Verified Certificate Issued June 6, 2025
- Valid Certificate ID b2e451c3d55e4f9eb1a048aec309bcac