Less waste, more energy

Landfills emit about 2% of the world's greenhouse gases, but in terms of lowering global emissions, they represent some of the lowest hanging fruit. When organic waste – like municipal food waste, agricultural waste, and forest residue – is disposed of by burial in a landfill or incineration, the organic material within is broken down to methane or CO2, and released to the atmosphere. But if that organic waste is diverted to other forms of disposal, those emissions could be avoided. Ste...