Xiang (Steven) Xie
Sir Wilfrid Laurier Elementary
Floor Location : J 124 B

Making a steam engine powered by a typical family's biodegradble waste/biomass to produce electricity for that family. rnrnBiomass, which is an alternative and renewable source of engergy, is not only useful for humans but is also environmental-friendly and does not contribute to gobal warming because it does not produce carbon emissions.