The Grey to Green Conference is an annual regional sustainability conference with a focus on green infrastructure implementation at an urban and regional level hosted by Green Roofs for Healthy Cities and the Green Infrastructure Foundation.

This conference is the leading forum for designers, policy makers, manufacturers, growers, landscapers, and green infrastructure professionals. The interdisciplinary conference explores the latest science on green infrastructure performance, economic valuation and public policy developments, new technological developments, and best practices in design, installation and maintenance. The conference also includes a trade show, cutting-edge training courses, tours of outstanding projects, and networking special events.