When you think of Canada’s top cities for nature and sustainability, you might picture Vancouver’s coastal rainforests or Banff’s mountain majesty. But did you know that a quiet achiever in Southwestern Ontario has quietly claimed the top spot in the nation?
That’s right. In 2022, London, Ontario, was officially ranked #1 in Canada for its environmental conditions. This isn’t just a local opinion; it’s the result of a comprehensive national study that put London at the forefront of urban environmental quality.
For visitors and culture seekers who appreciate a city where urban life and nature coexist in perfect harmony, this ranking is your invitation to explore a destination that is as green as it is welcoming.

(Photo credit: Lawrence Durham).
What Makes a City #1?
This impressive accolade comes from a study by Dalhousie University, which looked beyond just pretty parks. Researchers developed an Environmental Quality Index (EQI) to measure the “total environment” of 30 major cities across Canada.
London didn’t just place well; it excelled with a median EQI score of 70, the highest in the country. What’s even more remarkable is the consistency of this quality. Unlike some cities where green spaces are a luxury of the wealthy, London’s high environmental scores are balanced and accessible across all its neighbourhoods. This means that whether you’re strolling through the historic downtown or the leafy suburbs, you are never far from a breath of fresh air.

(Photo credit: Dave Chidley/CBC)
The Forest City Legacy: More Than Just a Nickname
London’s identity is deeply rooted in its canopy. The nickname “Forest City” dates back to the 19th century, and today, it’s a title the city actively earns. With over 7 million trees, the city is a living, breathing arboretum.
In addition, London is home to 21 designated Environmentally Significant Areas (ESAs), covering more than 750 hectares of protected land. These are pockets of wilderness within the city limits, where you can find rare species of plants and animals, meandering creeks, and ancient forests. For a culture seeker, this means your itinerary can easily blend a visit to a gallery in the morning with a hike through a Carolinian Forest in the afternoon.

(Photo credit: Lawrence Durham).
Sheltered by Geography: A Natural Advantage
Part of London’s top ranking comes down to a bit of geological good fortune. Situated in the heart of the Great Lakes, London enjoys a position that protects it from the most severe climate events that challenge other parts of the country. We are largely free from the threat of major hurricanes, wildfires, and coastal erosion that other regions face. This geographic stability provides a safe and secure foundation for a thriving urban ecosystem, allowing nature and the city to grow together peacefully.

(Source: Google Maps).
A City that Cares: Proactive Protection for Future Generations
This #1 ranking isn’t just a happy accident of history; it’s a promise the city is actively keeping. London isn’t resting on its laurels. Through programs like ReForest London, the community is continuously involved in planting and nurturing its urban canopy.

(Photo credit: ReForest London).
The city is also a leader in proactive environmental management, tackling invasive species like Phragmites to protect native wetlands and investing heavily in flood protection infrastructure along the scenic Thames River.

(Photo credit: City of London).

(Photo credit: City of London).
Furthermore, the city’s commitment is enshrined in its Climate Emergency Action Plan, a forward-thinking strategy to reduce emissions and build a sustainable, resilient community for the future. This dedication ensures that the clean air and green spaces we enjoy today will be here for generations to come.

(Photo credit: Karlos Lao/Western University)
Experience the Green Heart of Southwestern Ontario
For the discerning traveller, a city’s environmental health is a key ingredient to a great trip. It means cleaner air for your morning run, beautiful backdrops for your photos, and a sense of peace and well-being as you explore. In London, the environment isn’t a separate attraction; it’s the fabric of the city itself.
From the winding paths of the Thames Valley Parkway to the serene beauty of our ESAs, London invites you to breathe easy and explore deeply. The city’s #1 ranking is more than a statistic. It’s a warm welcome to come and experience the lush, sustainable, and naturally beautiful heart of Southwestern Ontario for yourself.

(Photo credit: Lawrence Durham).
Hi. I’m Lawrence – bicycle tour guide, storyteller, and your personal cheerleader for all things London.
I’m on a mission to show curious folks like you just how green, vibrant, and wonderful this city really is. If you want to experience our award-winning environmental conditions up close, feeling the breeze through our 7 million trees and exploring those beautiful ESAs, I know the perfect way to do it. Come join me on a bicycle tour! We’ll cover more ground, share some big laughs, and discover the hidden natural gems that make London Canada’s #1 city for environmental quality.
Your next adventure awaits.


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