Sustainability is green: the 10 best sustainable cities in the world according to Treepedia

Never before there has been more talk about nature preservation, eco-sustainability and sustainable cities. These resources are and will be fundamental for our well-being, today and in the near future. In addition to the downsizing and the disposal of non-biodegradable materials, the presence and maintenance of green areas are two of the most effective solutions to make more liveable the cities we live in.
Bosco Verticale, the symbol of the green push of Milan
On a private level, there are already virtuous companies that are moving to reduce environmental impact and create green environments for their workforce and the public. A clear example is Technogym and its Technogym Village: an ecosystem designed by Antonio Citterio, where wellness combines with productivity.
Technogym Village at dawn
In this space, consisting of over 90,000 square meters of green space and a 60.000 square meters production complex with low environmental impact, wellness and eco-sustainability are two of the basic elements of the Technogym lifestyle. In the Village, guests and employees have at their disposal one of the best fitness centres in the world, daily fitness courses, a canteen run by a dietician with a focus on local products and a large park where they can run, cycle or walk.
Three years ago, at the end of 2016, researchers at the Senseable City Lab of the Massachusetts Institute of Technology (MIT) launched the Treepedia project, in collaboration with the World Economic Forum. The platform uses data provided by Google Street View to measure and compare the amount of urban green in 27 cities around the world.

Treepedia was born for this, as an index where to compare cities, encourage local authorities and communities to act to protect and promote their green dome. Carlo Ratti, MIT Senseable City Lab's Director

The 10 most sustainable cities in the world

The interactive portal, offers a reasoned mapping available to anyone, allowing you to view the location of trees and green areas within the selected sustainable cities. Let's see what are the ten greenest and most sustainable cities in the world, from the tenth position to the top.

10. Frankfurt, Germany

Frankfurt is the financial centre of Germany and the fifth most populated city in the country. The city is also famous for having the largest metropolitan forest in the country! In fact, the Stadtwalt has more than five thousand hectares of forest, making it the largest metropolitan forest in Germany. An ideal place for those who want to relax, enjoy a good book, but also for those who want to take a bike ride or a simple walk. The GVI index of the tenth city among the most sustainable cities is 21.5%.
Frankfurt's view from Main

9. Sacramento, California

The capital of the state of California has a tree cover ratio of 23.6%. Despite the low rainfall, especially during the summer months, the more than two hundred green areas in the city - the first in the United States in this ranking - are getting bigger and bigger.
Sacramento at Dusk
Although America is considered to be one of the countries that contribute most to global pollution, there are also incredible sustainable cities like this one, also benefiting from its proximity to the Silicon Valley, the heart of innovation.

8. Johannesburg, South Africa

South Africa's most populous metropolis - with six million inhabitants - also has a spot in the list of the most sustainable cities on earth with a GVI of 23.6%. It extends over a vast territory: it is almost a garden city with countless parks and golf courses. It also seems that more species of trees grow here than in any other city in the world and that the largest artificial forest on the planet thrives, a feat that makes this metropolis truly stands out from other green sustainable cities.
An explosion of purple and pink, The sky of Johannesburg's bougainvillea
In October, when spring explodes, the city is enveloped in a purple and pink cloud of jacaranda and blooming bougainvillea, while after the summer rains endless varieties of flowers bloom, scenting the air and covering the acrid smell of car and industrial exhausts.

7. Durban, South Africa

Durban has a GVI of 23.7% and is mainly known as a tourist destination thanks to its long beaches lined with skyscrapers. Inside, however, the greenery abounds along the main arteries, roads and parks. For example, Mitchell Park - founded in 1910, is one of Durban's most precious gems.
Outdoor activities in Durban
Similarly, the Botanic Gardens – established in 1849, boast a palm grove, Japanese, tea and herb gardens and some stretches of forest. The Makaranga Botanical Garden is similar to the previous one, but more equipped for longer stays, thanks to the presence of numerous infrastructure surrounded by greenery alternating with ponds.

6. Montreal, Canada

The climate of Montreal is very particular: summers are hot - thirty degrees - and sultry, while the winter season is usually very cold and with minimum temperatures well below ten degrees. This does not prevent Québec's main economic centre from staying right at the middle of the list of the most sustainable cities on earth, with a GVI of 25.5%. Furthermore, there is no shortage of green space within the city.
Montreal's Botanic Garden
The Botanical Garden of the city seems to have emerged from a fairy-tale. Inside, one can find himself surrounded by perfectly groomed paths, fragrant flowers and impressive sculptures carved using various botanical species. It is certainly one of the most fascinating places in the region, and the third largest in the world, after the Kew Gardens in London and the Botanischer Garten in Berlin.

5. Sydney, Australia

The city with the highest number of inhabitants of Oceania is also raking first among the most sustainable cities in the continent, with a GVI of 25.9%. This dreamy destination for millions of people around the world is located in a coastal basin that boasts the world's largest natural harbour - Port Jackson.
Coastal view of Sydney
In addition to the green areas surveyed by Treepedia, it should be remembered that in the area north of Sydney the steep valleys are still covered with forests. There are over seventy large green areas, including a national park: the Sydney Harbour National Park. The Botanic Gardens are one of the icons that Sydneysiders are the proudest of.

4. Vancouver, Canada

At the foot of the podium of the world's most sustainable cities, this city on the west coast of Canada shares the same GVI with Sydney. It is the state's third largest metropolitan area and is consistently ranked among the top three most liveable cities in the world. Vancouver has also adopted a detailed plan to become the greenest metropolis on the planet by 2020.

Renewable energy, electric public transport, waste recycling, zero environmental impact buildings are just some of the main points of the city’s project.

3. Oslo, Norway

Oslo has a GVI of 28.8%. The Norwegian capital is located at the end of the Oslofjord and numerous islands and lakes compose it. The unspoilt green hills surrounding the city, two-thirds of which are protected areas reserved for plants and animals, have allowed it to win the title of European green capital for 2019.
The view of the Oslo fjord, with its typical wooden houses
Its renovation programme is based on five points:

2. Singapore

Right behind the first city in our raking of the 10 most sustainable cities stands the ultra-modern city-state of Southeast Asia, with a Green View Index of 29.3%. Despite the strong urbanization of recent years and the fact that it is the second most densely populated city in the world, almost 30% of its territory remains made up of green areas.
Singapore, the gem of South East Asia
This percentage is set to increase by 2030. A project launched in 2013 predicts that in less than fifteen years 85% of Singapore residents will live less than 400 meters from a public park, an impressive feat that will make Singapore stand out from the other sustainable green cities.

1. Tampa, Florida

Tampa stands as the leader of the list of the greenest and most sustainable cities, with a GVI of 36.1%. It is the third largest city in Florida - after Jacksonville and Miami - that has developed into a tourist area thanks to miles of beaches and numerous theme parks. Just take off or land at Tampa International Airport to see why the city is first among many other great sustainable cities, with its expanses of trees, palm trees and green areas.
The green aerial view of Tampa
It all started in 1972, when former city councillor Joe Chillura helped draft an ordinance to make Tampa a greener city. Forty-seven years later, this decree is still helping to protect its natural resources, making it deservedly win the gold medal among the best sustainable cities on earth.

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