We hope you join us at the Greenroofs.com Green Roofs and Walls of the World Virtual Summit, Feb 12 – March 13, 2013. Dr. Alan Darlington will be paricipating in a panel discussion on Environmental Healing through Phytoremediation on the opening day. He will also be speaking about Indoor Air Biofilters in the talk “A Tale of Two Hydroponic Living Wall Systems from Canada and Spain”. Register here.