Every spring, every summer, the green and blue patrols travel across the city to raise awareness of environmental issues. Easily recognizable by their green or blue polo shirts, the squads encourage the public to take actions to protect the environment.

Car, bike and kitchen sharing, and building urban greenhouses are just some of the initiatives that have been launched under Montréal in Common. The goal is to improve the population’s quality of life and share the wisdom gained from these experiments.

Moving or a major clean-up takes organization. There are lots of things to manage. What should you give away, throw away or recycle?

Discover highlights from the 2022 environmental report on air quality in Montréal.

Is your neighbourhood under a water use advisory due to contaminated tap water? Please follow these instructions until water service is restored.

Is your neighbourhood under a drinking water advisory due to contaminated tap water? Please follow these instructions until water service is restored.

What are the risks of a drinking water contamination or shortage in Montréal? What measures does the city take to inform and assist residents in the event of a disaster? Follow our guidelines on how to stay safe and protect your health.

There’s a watering ban in effect in your area? It’s important to use water sparingly. Here are the instructions to follow until the ban is lifted.

In Montréal, heating with wood is among the main causes of winter smog, which has a major impact on the environment and our health. The bylaw on wood-burning stoves and fireplaces is designed to improve air quality. Learn more.

When completed, the William and Saint-Thomas retention facilities will reduce the frequency and amount of untreated wastewater discharged into the St. Lawrence River during major rainstorms. Two parks will be created above the retention basins.