hydropower; importance of; and the Intertropical Convergence Zone; large water projects; measurement of; and population growth; and privatization; prospects for; and runoff; and sanitation; and snowpack and glaciers; and transboundary rivers; and urbanization; and virtual water trade
WaterGAP
Watt-Cloutier, Sheila
weather patterns.
Wellinghoff, Jeff
wells
West Antarctic Ice Sheet
West Bank
West Siberia
wildfires
wildlife
Williamson, John
wind power
winter roads
Wolf, Aaron
women’s empowerment
World Bank
World Health Organization (WHO)
World Trade Organization (WTO)
World War I,
World War II,
World Water Council
xenophobia
Yakut people
Yakutsk
Yamal Peninsula
Yemen
Yongwei Sheng
Younger Dryas event
Yucca Mountain
Yugakir people
Yukon Territory
Yupik people
Zimbabwe