Photo by Andy Sternberg/LAist A posthumous tribute wall dedicated to singer/songwriter Elliot Smith sat defaced by graffiti for months on end -- LAist said enough, so did the fans and city council.SFist was surprised to learn that chronic presidential candidate Ralph Nader picked former San Francisco Supervisor Matt Gonzalez as his running mate.Phillyist explored the possibilities of green cleaning.In the latest edition of Reel Toronto, a bi-weekly feature looking at films shot in Toronto......

Energy is big business in Houston, but how we often produce it — burning coal or oil — is dirty business. So it's great to hear about local companies investing money in new, cleaner power-producing technologies, especially when their success is far from a sure bet. Thursday Hunton Energy announced plans to build a power plant south of Sugarland that will use two separate approaches to keep greenhouse gases out of the air. First, they......