Pollution and Aerosols (IMAGE) DOE/Pacific Northwest National Laboratory Caption Data was collected by a research aircraft zigzagging between pristine air over the Amazon rainforest and polluted air nearby. Credit Illustration courtesy of PNNL Usage Restrictions Please credit PNNL 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.