https://www.deeproot.com/ 

https://www.linkedin.com/in/al-key-aff-m-asce-5b420a8/?trk=public_profile_browsemap 

https://www.youtube.com/watch?v=TRSly23B01c 

https://www.youtube.com/watch?v=Oya3alKxDoY 

https://www.youtube.com/watch?v=GlvBtIGl7TQ

https://www.youtube.com/watch?v=DP54opO9SLA

https://www.brightsidestl.org/what-we-do/demonstration-garden/silva-cells/

https://innovex.ca/en/products/silvacell/

https://www.landscapeperformance.org/blog/2015/06/tracking-silva-cell-tree-performance

Mr. Al Key has been involved in the green industry for 30 years as an owner of DeepRoot Green Infrastructure, LLC. Together with his partners, he co-invented the SilvaCell® and has received several patents for his inventions which address trees and stormwater management in the urban setting.

He has written for a wide range of publications, including the Journal of Arboriculture and Civil Engineering News. As Vice President, he established a representative network nationwide, set up major distributorships, and has been instrumental on projects such as the Metropolitan Museum of Art, USTA Billie Jean King Tennis Center, and the MIT SOMA Center at Kendall Square, Cambridge MA. 

Mr. Key is a former Board Member of TreesNY, a Bronze Level Sponsor of the American Chestnut Foundation, a Forestry Committee member of the Wantastiquet Trout Club, and an Affiliate Member of the American Society of Civil Engineers (ASCE).