Wood-Burning Cookstove (image) University of Illinois at Urbana-Champaign Caption In many developing countries, food is cooked over traditional biomass-burning cookstoves. Illinois researchers found that how users operate their stoves has a big effect on emissions. Credit Cheryl Wayant Usage Restrictions None 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.