National Geographic : 2010 Feb
• LAS GUAITECAS NATIONAL RESERVE Floating pens (right) hold salmon being raised for export to foreign markets. Fish are fed pellets (below) containing fish proteins and antibiotics. Intensive production methods have led to pollution and the spread of infectious salmon anemia. The industry's solution---even as output falters---is to move south into pristine fjords, leaving behind waste, disease, and oxygen-depleted water.