We think the Purple-Roof Concept is the coolest innovation in green roofs, and we want you to think so too!
This Challenge is designed to test your knowledge and help you get more familiar with how the Purple-Roof Concept can benefit you.
Anyone may register.
The Challenge begins Tuesday, October 20, 2020, and concludes Friday, January 1, 2021.
Winning entries will be announced on this page before January 20, 2020.
Submissions will be evaluated and ranked by according to the following criteria: