From Name: From Email: To Name: To Email: Optional Message: Columbia Gateway green space event big success from GWA The I-126/Greystone Boulevard Interchange will be transformed into an enhanced green space today as part of the GRO1000 Garden & Green Space partnership that includes the Garden Writers Association, The Scotts Miracle-Gro Company, The U.S. Conference of Mayors and a host of philanthropic partners. The City of Columbia will dedicate the new greenscape as a primary gateway and environmental education site for the City. more 7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063