Grassland (IMAGE) University of Tennessee Institute of Agriculture Caption The grant from USDA will allow the UTIA team to help grassland farmers adopt climate-smart practices while optimizing profitability. Grasslands are the single largest agricultural land use in the U.S. and agriculture’s largest and most effective carbon-storage system. Photo courtesy UTIA. Credit UTIA 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.