The Trifinio region between El Salvador, Honduras and Guatemala is important for the area's biodiversity and for the water supplies of the countries. Central America's three biggest rivers have their sources here. But intensive land use and climate change is putting pressure on the ecosystem and its water reserves. Sustainable farming methods could protect the region's resources.

More Global 3000: http://www.dw.de/global-3000-the-globalization-program-2015-02-02/e-18190165-9798