(redirected from Grass Roots Environmental Education Network)
GREENGlobal Rivers Environmental Education Network
GREENInstitute for Geo-Resources and Environment (Japan)
GREENGrassRoots Environmental Effectiveness Network
GREENGlobal Renewable Energy and Environmental Network (professionals' network)
GREENGay Real Estate Executive Network
GREENGrass Roots Environmental Education Network (various organizations)
GREENGround Renewable Expeditionary Energy Network (US Marine Corps)
GREENUS Armed Forces Term for Transmission in A Secure Mode