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UC
European Community
UDDT
Urine Diversion Dehydrating Toilets
UFW
Unaccounted for Water
UK
United Kingdom
ULB
Urban Local Body
UN
United Nations
UNDRR
United Nations Office for Disaster Risk Reduction
UNECA
United Nations Economic Commission for Africa
UNECE
United Nations Economic Commission for Europe
UNEP
United Nations Environment Protection Agency
UNESCO
United Nations Educational, Scientific and Cultural Organization
UNICEF
United Nations Children Fund
UNISDR
United Nations International Strategy for Disaster Risk Reduction
UNU
United Nations University
UPS
Uninterrupted Power Supply
USA
United States of America
USEPA
United States Environmental Protection Agency
USFA
United States Fire Administration
VFA
Volatile Fatty Acid
VLH
Volatile Liquid Hydrocarbons
VLLW
Very Low Level Waste
VOC
Volatile Organic Compounds
VRF
Volume Reduction Factor
WCED
World Commission on Environment and Development
WEEE
Waste from Electrical and Electronic Equipment
WHO
World Health Organization
WTE
Waste to Energy
WWF
World Wide Fund for Nature
WWTP
Wastewater Treatment Plant
Y
Yttrium
Yb
Ytterbium
Zn
Zinc
ZnO
Zinc Oxide
Zr
Zirconium
Abbreviations