Variations (IMAGE) Research Organization of Information and Systems Caption This figure shows variations in the atmospheric CO2 concentration observed at Syowa Station since 2014. Credit National Institute of Polar Research and Tohoku University Usage Restrictions Credit required 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.