Environment: If we scrap all the cars, SUVs, minivans and pickup trucks in America, greenhouse gas emissions could be cut by maybe 2%. What if we could realize a similar reduction without the economic impact? So why not try to extinguish the fires that continue to burn unchecked at dozens of coal deposits around the world? This, it is estimated, could cut global emissions of carbon dioxide from the burning of fossil fuel by 2% to 3%. ...Coal fires can occur in natural settings or in or near abandoned and active mines. They can be ignited by lightning strikes, spontaneous...