Biomass is material produced by photosynthesis or is an organic byproduct from a waste stream. 生物质是由光合作用产生的物质，或者称作有机废弃物。
Communities now have better ways to meet municipal guidelines for diverting organic wastes from sanitary landfills. 也提供现今的社区能配合当地政府的指示，利用更好的方法处理原本倾倒于卫生掩埋场的有机废弃物。
