The U.S. National Arboretum is “going green” with the installation of solar-powered drip irrigation system that will save electricity and water at the 446-acre facility operated by the Agricultural Research Service in Washington, DC.
The U.S. National Arboretum is “going green” with the installation of solar-powered drip irrigation system that will save electricity and water at the 446-acre facility operated by the Agricultural Research Service in Washington, DC.