 This SSO are separated from the undesirable materials that are then sent to the curb – side Collection as a separate residual waste stream.The City of Winnipeg is evaluating new technologies and processes for resource recover, such as thermal oxidation, carbonizing, aerobic digestion, pelletizing, and organic waste management.The decomposition of organic waste releases methane gas, and landfills consisting of organic waste generate methane gas, known for its harmful effects on the environment as a greenhouse gas (GHG).