3-30-30 rule for monitoring access to green spaces

Polygon representing the 3-30-300 Rule, i.e. seeing 3 trees near your home, moving to neighborhoods where 30% of the space is covered by trees and living less than 300 meters from a green space. This nature-based approach aims to create greener and more resilient cities. It was developed by the Dutch researcher [Cecil Konijnendijk] (https://www.researchgate.net/publication/353571108_The_3-30-300_Rule_for_Urban_Forestry_and_Greener_Cities) working in the fields of forestry and urban ecology.

These layers are used for the planning of plantations in vulnerable sectors with the target of 500,000 trees to be planted by the City and its partners, as part of the 2020-2030 Climate Plan. They also help to better plan and prioritize greening projects.

The data can also be consulted on the interactive map of vulnerabilities to climate change in the Montreal agglomeration. https://experience.arcgis.com/experience/944e0b7104bd491591ccca829da24670/page/Page/This third party metadata element was translated using an automated translation tool (Amazon Translate).

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 19:07 (UTC)
Created April 17, 2026, 19:07 (UTC)
contact_email donneesouvertes@montreal.ca
contact_person {"en": "Government and Municipalities of Québec; Government and Municipalities of Québec; Ville de Montréal", "fr": "Gouvernement et municipalités du Québec; Gouvernement et municipalités du Québec; Ville de Montréal"}
criticality_level []
data_dictionary unknown,unknown,unknown
geographic_scope []
open_canada_collection fgp
open_canada_date_published 2025-06-03 00:00:00
open_canada_keywords {"en-t-fr": ["BTER", "trees", "green space", "Government information"], "fr": ["BTER", "arbres", "espace vert", "Information gouvernementale"]}
open_canada_subject ["form_descriptors", "nature_and_environment", "science_and_technology"]
sensitivity_level unrestricted
title_fr Règle 3-30-30 pour le suivi de l'accès aux espaces verts
update_frequency irregular