Brazil fishermen turn to mobile app to combat pollution scourge

He will upload the video to an app developed to expose environmental damage in the iconic bay crucial for tourism and the fishing industry, but plagued by spills of oil, chemicals and untreated wastewater. Guanabara Bay, a natural port of about 400 square kilometers (154 square miles), battles pollution not only from visiting vessels and oil rig accidents, but also from old ships abandoned in its waters and runoff from cities. Frustrated with what they see as a lack of official response, the bay's...