Inter Press Service: A new government policy on glaciers adopted by Chile “is a step forward, but it doesn’t resolve all of the problems,” German geographer Alexander Brenning, who blames mining companies for threats to this South American country’s rock glaciers, told IPS. An assistant professor of geography at the University of Waterloo in Canada, Brenning spoke with IPS after giving a lecture this week on the little-known rock glaciers to geology students at the University of Chile, who had specially …