Composting You can find everything you need to know about municipal composting the City of Ottawa’s Green Bin Program on their site, from what goes inside to when it’s collected. The Box of Life uses vermicomposting as a way to reduce food waste. Read more about it in our blog post. No green bin in your building or at work? See if you can use a neighbour’s. Otherwise, uOttawa has several large green bins between BioSciences Complex and Marion Hall.