In an effort to bring a bit of green back to the small city of Pires do Rio, a local priest has begun telling churchgoers that the only way to get square with the man upstairs and cleanse themselves of sin isn't through prayer, but by getting their hands dirty planting trees. (treehugger.com)
Salem was an ideal test case: an old, dirty plant in a region already shifting from coal and oil to natural gas. (scientificamerican.com)
Pressure from developing nation governments led to their inclusion in the program, as supporters claim the newer supercritical coal plants avoid carbon dioxide emissions by preventing dirtier plants from being built instead. (scientificamerican.com)