Kerosene Lamp (IMAGE) University of California - Berkeley Caption Smoke emitted by simple wick lamps, similar to the one shown above, was found to be a significant but previously overlooked source of global black carbon. Credit Ajay Pillarisetti Usage Restrictions All rights reserved. Commercial use prohibited. 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.