Training Technicians (IMAGE) Smithsonian Tropical Research Institute Caption A team of trained Embera and Wounaan Indigenous technicians tested a field-based forest carbon inventorying method in Darien's mature forests. Credit Sean Mattson/Smithsonian Tropical Research Institute Usage Restrictions None 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.