Amazon Forest (IMAGE) University of Washington Caption An Amazon tropical forest as seen from the top of a 180-foot (54-meter) research tower in northern Brazil in 2011. Credit Abigail Swann/University of Washington Usage Restrictions With credit License Licensed content 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.