Scientist Christine Wiedinmyer (IMAGE) University of Colorado at Boulder Caption National Center for Atmospheric Research scientist Christine Wiedinmyer interacts with children in Ghana during a research project on how to reduce air pollution from local cooking practices. The project is led by NCAR and University of Colorado Boulder. (Photo courtesy Mike Hannigan) Credit Photo courtesy Mike Hannigan Usage Restrictions Must credit CU Boulder 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.