Middle East dust (IMAGE) KTH, Royal Institute of Technology Caption The area between the Tigris and Euphrates rivers in northern Iraq and along the Syria-Iraq border was reported to have the highest concentration of dust sources in the region. A graphic depicts the intensity of change over the last 20 years. Credit KTH Royal Institute of Technology Usage Restrictions No restrictions. License CC0 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.