The Pascua River, in Chilean Patagonia, is one of the most pristine and unknown regions on the planet. International Rivers wants the world to know the Pascua—and to keep it wild—unlike the huge companies that want to dam it. Chile's Matte Group and Italy's Enel) want to construct three dams on the Pascua and ship the power 1500 miles north to Santiago. What's at stake if this ferociously wild river is dammed: Losing the planet's purest water, never knowing wildlife that already hangs by a thread, and irreversibly trading natural treasures which took eons to produce for maybe 50 years of unsustainable energy.