Pollution Found at Depth in the Philippines (image) California Academy of Sciences Share Print E-Mail Caption Researchers documented evidence of trash at 200-500 feet below the ocean's surface in what's considered the 'twilight zone.' Credit Luiz Rocha © California Academy of Sciences Usage Restrictions For editorial use only. Please use proper image credits and contact email@example.com with any questions. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.