Cows Grazing under Trees (IMAGE) University of Exeter Caption Cows grazing under trees on a smallholder farm in Mato Grosso, Brazil Credit Toby Pennington Usage Restrictions This image may only be used with reports of this research 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.