Featured image (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A view of an eddy covariance tower, capable of measuring the release of greenhouse gases, located in Alaska. Credit Sigrid Dengel Usage Restrictions N/A License Original 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.