![]() When that waste is buried in landfills, it produces methane, a potent greenhouse gas about 25 to 30 times more potent than carbon dioxide, says Clark. And that's the key to a sustainable society," he says. "We can regenerate those resources indefinitely. In the composting process, food waste breaks down into material used to grow more food, fibre for textiles and potentially biofuels. ![]() "Where are we going to put an expansion to an existing landfill or a brand new landfill? It's very difficult," says Grant Clark, an associate professor in McGill University's department of bioresource engineering.ĭiverting waste from landfills is also key for fighting climate change, says Clark. The Lachenaie landfill in Terrebonne-the only landfill in the Montreal area-is set to reach its capacity in 2029. On top of that target, there is another deadline approaching. The city hopes to be the first major Canadian city to offer brown bins for everyone by 2025. ![]() In buildings with nine or more units, 58 per cent participate, though the rollout for that group is ongoing. The city says a large-scale food waste awareness campaign will launch later this year to try to change that.Īll residential buildings with under nine units now have brown bins-but only 63 per cent actually sort their waste, according to a 2021 survey conducted by the city. Brown bins have become ubiquitous on Montreal streets and doorsteps, but nearly half are not being used, data suggests.
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