Verified Certificate

Supported by the following organizations

This is to certify that Walther Leonel Ubau Mairena successfully completed and received a passing grade in C21001: Cities and the Challenge of Sustainable Development a course of study offered by SDGAcademyX, an online learning initiative of SDG Academy.

Noted by

Jeffrey Sachs

Jeffrey Sachs

Professor Columbia University

About edX

edX offers interactive online classes and MOOCs from the world’s best universities, including MIT, Harvard, Berkeley, University of Texas, and many others. edX is a mission driven initiative created by founding partners Harvard and MIT.

About edX Verified Certificates

An edX Verified Certificate signifies that the learner has agreed to abide by the edX honor code and completed all of the required tasks of this course under its guidelines, as well as having their photo ID checked to verify their identity.