Dirty Snow (IMAGE) NASA/Goddard Space Flight Center Caption Snow that's covered in dirt or other pollutants has a lower albedo, meaning it absorbs more energy from the Sun and melts faster than whiter snow with a higher albedo. Credit Credits: UCSB/Timbo Stillinger 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.