Decades ago the only type of car was the internal combustion (gasoline)type. Other varieties have arrived such as Hybrid and electric. With the new choices are other decisions such as which one reduces most the carbon footprint (or is the most green)and which one is the most cost effective. No more is "the miles per gallon" a standard that can be applied across the board as a specification.

A green prison sounds unlikely - especially in the US. But a ground-breaking facility in America wants to improve the environment as well as crime rates. Environmentally friendly prisons. Liberals think they're a no-brainer, right-wingers might view them as just another hand in the public purse. Do the world's incarcerated now have a responsibility to save the planet?

Want to go green in death? Here’s a process that may allow you to do just that. Resomation involves an alkaline hydrolysis process that dissolves a body into both a liquid and a powdery white mass. Experts call it the green alternative to cremation, which notoriously releases nitrogen oxide, carbon monoxide, and sulfur dioxide into the atmosphere. The process is legal in several U.S. states, and one undertaker wants to bring it to Belgium. But as American Public Media Marketplace reports, resomation is being met with some trepidation in Europe.