Change in Forest Area, 1990-2015 (IMAGE) Terry Collins Assoc Caption The surprising, steady expansion of forests in many countries is a reflection of national well being and does not constitute a benefit of rapidly rising levels of atmospheric carbon dioxide, experts say. Credit University of Helsinki 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.