Gregg Boersma
Sales Manager
202-216-7853
gboersma@asla.org
Kathleen Thomas
Sales Manager
202-216-2363
kthomas@asla.org
Image Caption: 2013 ASLA Research Award of Excellence, Green Roof Innovation Testings (GRIT) Laboratory by the University of Toronto, John H. Daniels Faculty of Architecture, Landscape, and Design (Photo: GRIT Lab)