title: Climate change. Glacier retreat crosses a line.
authors.affiliation: Department of Geography, University of Calgary, Calgary, Alberta, T2N 1N4, Canada. shawn.marshall@ucalgary.ca.
authors.forename: Shawn
authors.initials: S
authors.lastname: Marshall
mesh_terms: D057231:Climate Change; D006802:Human Activities; D006801:Humans; D046448:Ice Cover; D009792:Oceans and Seas