Options to reduce greenhouse gases all possess downsides.

Focuses on the options to reduce greenhouse gases with a clear understanding of the positive and negative aspects of each options. Development of the harm factory rating system that is claimed to allow normalization of risks among different pollutant forms; Projects for the removal of the carbon dioxide and other pollutants from the exhaust gases emitted by a pulverized coal-fired plant; Evaluation of the replacement of existing subcritical coal plants with new highly efficient plants utilizing the super critical design.