Walker

Solutions to convert biosolids (sewage wastewater residuals) to agricultural fertilizer and/or other beneficial end-product. Deadline: 21 January

City of Toronto

Renewable energy generation technologies that can be installed within a single mid-high-rise building. Deadline: 21 January

Premier Meat

Sustainable alternatives for single use plastic and Styrofoam trays used for retail product packaging, including recyclable, compostable, or other solutions. Deadline: 21 January