GMT
Greenwich Mean Time
GNP gross national product
GRT gross register ton
GSM global system for mobile cellular communications
GUAM Organization for Democracy and Economic Development; acronym for member states - Georgia, Ukraine, Azerbaijan, Moldova
GWP gross world product
H
Hazardous Wastes
Basel Convention on the Control of Transboundary Movements of Hazardous
Wastes and Their Disposal
HF high-frequency
HIV/AIDS human immunodeficiency virus/acquired immune deficiency syndrome