When you think about it, this country is just a tollgate—a stop on the way to America.” With those words, Guk-hee’s family ...

The ice loss in the Andes could reduce the water flow to the Amazon rivers by up to 20%. Venezuela is on the verge of becoming the first country in modern history to lose all its glaciers.

Caption Navigation is a central river ecosystem service that could be affected by the direct and indirect effects associated with fragmentation by dams in the Andes Amazon. This material relates ...