Canyonlands Dust (image) University of Colorado at Boulder Share Print E-Mail Caption A dusty scene near Canyonlands in Utah. Dust in the West has increased by 500 percent since the 1800s. Credit Jason C. Neff, University of colorado at boulder 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.