Replacing coal with solar energy could save about 52,000 American lives per year according to the Michigan Technological University study Potential Lives Saved by Replacing Coal with Solar Photovoltaic Electricity Production in the U.S. In addition to the significant public health benefits, the study estimates that offsetting coal with solar over the 25 year life of modules”. . . actually saved money as well, in some cases several million dollars per life. . .” concluding “that it is profitable to save lives in the US . . .” with a conversion to solar.