Studied Areas (image) Estonian Research Council Share Print E-Mail Caption These are the studied areas and their average measured laughing gas emission on the map of the world's organic soils. Credit Pärn et al., 2018. Usage Restrictions None Share Print E-Mail 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.