Sol-Char Toilet (IMAGE) University of Colorado at Boulder Caption A revolutionary new toilet developed at CU-Boulder may someday help millions of people around the world lacking safe and sustainable sanitation. Credit University of Colorado 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.