In Saint-Laurent, the environment is part of who we are—and has been for many years.

Taking action for the climate and for biodiversity means thinking about tomorrow while improving our quality of life today.

Join the movement!

Organic matter accounts for about 50 per cent of the contents of a garbage bag in Montréal. By using food waste compost bags, you give that organic matter renewed life. The following checklist tells you what to include in your compost bags.

The Borough of Pierrefonds-Roxboro is making available to electric vehicle users 16 public electric charging stations on its territory in order to encourage the community to participate in the energy transition and greenhouse gas (GHG) reduction effort.

Effective January 1, 2023, Montréal will apply a new water consumption user fee in buildings that are for non-residential use in part or in full. Learn about how the new ecofiscal mesure will be applied and what building owners can do to better manage their water use.

Want to track your water consumption? Learn how to understand the data displayed on your water meter.

As host city to COP15, Montréal has invited cities across the world to make a commitment to protecting biodiversity. The challenge is to take 15 tangible actions towards pursuing and accelerating their efforts to preserve ecosystems.

Montréal has set out a road map to decarbonize buildings. The objective is to reach zero GHG emissions in Montréal’s buildings by 2040. The key milestones for this road map are creating regulation for the building sector and providing guidance to building owners.

Montréal has created its first pollinator protection plan. Its goal is to improve current and future living conditions for these species, which play a central role in our ecosystems.

Water treatment plants must operate continuously in order to provide quality drinking water. This achievement is possible thanks to modern facilities like those at the Charles-J.-Des Baillets treatment plant, the third largest in Canada.

​Montréal is taking action to protect and restore biodiversity. In December, the city will host the COP15, a United Nations conference at which close to 200 countries will be called upon to engage in concrete actions to stop the loss of biodiversity around the world in the decade to come.