One man's trash is quickly becoming society's new treasure. In the August issue of EARTH Magazine, we explore how materials that were once considered garbage are now being recognized for their true potential as valuable energy resources capable of solving multiple problems at once. If successful, these "waste-to-energy" options could serve as a silver bullet - displacing fossil fuels, reducing greenhouse gas emissions, and decreasing the amount of trash that winds up in already teeming landfills.