Coal plant retirements (IMAGE) Princeton University, Engineering School Caption Princeton researchers have studied the climate and health benefits of alternative strategies for retiring coal plants in Pennsylvania (illustration by Bumper DeJesus). Credit Illustration by Bumper DeJesus, Andlinger Center for Energy and the Environment. Usage Restrictions non-commercial use only 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.