Water
Mountain Water Supply to Two Billion People Could Change
Data about Earth’s 78 most important mountaintops foretell changes in the amount and timing of snowmelt
Stories by Walter Immerzeel
is a physical geography professor at Utrecht University in the Netherlands, where he leads the mountain hydrology group. He has lived in Nepal and has been measuring snow and ice high in the Himalayas since 2002. Credit: Nick Higgins
