The City of Toronto welcomed more than 300 green infrastructure professionals on November 6 to 9 for the 20th anniversary of the CitiesAlive conference. The conference highlights green infrastructure design, research, policy and innovation from across the world. 

In March 2010, P.S.41 in NYC, opened the Green Roof Environmental Literacy Laboratory, a 15,000 square foot sedum and native plant green roof The first outdoor learning space of its kind in NYC benefits children with activities from skyline drawings to insect research projects.