1. 14/09/2016 HarvardX ENGSCI137x Certificate | edX
https://courses.edx.org/certificates/3dd14ccaa6f04bdca80317cf98fd0554 1/2
V E R I F I E D
CERTIFICATE of ACHIEVEMENT
This is to certify that
Aloisio Pinto Guedes de Farias
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 through edX.
David Keith
Gordon McKay Professor of Applied Physics,
and Professor of Public Policy
HarvardX