The impact of cooking (IMAGE) University of California - Berkeley Caption In many countries, food is prepared over a wood or charcoal fire, often indoors. The smoke causes serious respiratory disease and contributes to global carbon emissions. While more efficient cookstoves can improve both health and the environment, most cookstoves carbon credits sold on the global market vastly overestimate their emission reductions. Credit Annelise Gill-Wiehl, UC Berkeley) Usage Restrictions none License Original 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.