Lack of O2, hunger, hypothermia... Everything can be a problem when in Everest
True. Water is available to all creatures on Earth since the beginning of it.
The only disadvantage I could think of would be price of equipment needed to produce energy from the source (i.e. price of solar panels)
Lagos ,Nigeria kinda cool
Casi el 70 % de las reservas de agua dulce de la tierra se encuentran atrapada en Los hielos de Antartico y Groenlandia.