Zahra Kalantari (IMAGE) KTH, Royal Institute of Technology Caption Zahra Klantari says water management, war and deforestation are some of the factors behind the reduction of soil moisture and vegetation coverage which normally help reduce dust levels. Credit David Callahan Usage Restrictions Credit must be given to the creator. License CC BY 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.