Original sentence: " He is one of the founders of the Socially and Environmentally Responsible Aggregate (SERA) initiative, Blue Green Canada, and played a role in the creation of the Ontario Greenbelt and the Ontario Green Energy and Green Economy Act.As Executive Director of Environmental Defence Canada between 2003 and 2012, Smith was a proponent of the "green economy.Smith lives in Toronto with his wife and has two sons
Edited sentence: " He is one of the founders of the Socially and Environmentally Responsible Aggregate (SERA) initiative, Blue Green Canada, and played a central role in the creation of the Ontario Greenbelt and the Ontario Green Energy and Green Economy Act.As Executive Director of Environmental Defence Canada between 2003 and 2012, Smith was a prominent proponent of the "green economy.Smith lives in Toronto with his wife and two young sons