How This City Uses Science to Stay Cool

This country is known for many things but American scientists were shocked to discover the transformation that is taking place within one of its major cities.

In 2017 the World Economic Forum (WEF) released a report, stating Medellin was the third most densely populated city in the world. This is because Medellin covers a relatively small area for a city, with a total area of 381 square kilometers and the city experienced rapid growth which took places around 1950s fueled by the forced displacement of rural inhabitants

After being the hailed “cleanest city in the Americas,” many of its inhabitants were now living on a garbage heap. The municipal dump rapidly became a 60-metre mountain and residents, especially those living from recycling materials discarded by the city, started building their shacks on top of it. Social gaps became more than evident, and violence reached its highest levels.

In just two decades, Medellín has overcome many challenges regarding urban expansion, and has transformed itself from a notoriously violent city into one that is being praised as a model for urban innovation becoming a multi award winner for using nature based solutions particularly for transforming crime zones in disadvantaged neighborhoods, into safe green space where children can play.

More than half of the world’s population currently lives in urban areas and the United Nations (UN) expects that proportion to increase to 66% by 2050.

As a result, these cities will face numerous challenges in meeting the needs of their growing urban populations, including housing, infrastructure, transportation, energy and employment, as well as for basic services such as education and health care.

Medellín, like many other cities, faces rising temperatures, worsened by the urban heat island effect, which is when concrete and tarmac absorb the sun’s power, radiating it out as heat and keeping the city warm long after the sun has gone down.

However Medellín has been turning this around, in this video we will show you how millions of dollars have been invested into green infrastructure, which has successfully improved air quality and reduced ambient temperatures, improving the lives for millions of people by transforming the city into an urban green oasis.

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[LeafofLifeWorld]

Support our on the ground regenerative and biodiverse impact work by visiting: www.leafoflife.world

[CitiesForTheFuture]

Many South American cities are implementing innovative projects to provide quality of life & sustainable living for its residents. But the city that started it all was Curitiba (Brazil) where sustainable development principles were implemented around the 1970s already. Their enviro, economic, social & urban pejects & services arw legendary, as is its former Mayor - Jamie Lerner - who started it all.

This is great to see. Thank you.

[KJSvitko]

Every city should be a bicycle city and provide more parks and open spaces.

[grantmccoy]

I love how they separate roads with these green belts. It's effective and beautiful. I imagine it just feels inspiring to see this life everywhere when driving. So different from the gray scale of most modern cities.

That tunnel was cool, but I quickly forgot about it due to the advertisement and the ending topic.

[daddyleon]

In those overviews, Medellin looks like a modern metropolis where you'd want to live, while NYC kinda looks dystopian.

[ReviewBoard-uynv]

The United States needs a program exactly like this

[magesalmanac]

Beautiful city, so many trees and little courtyards everywhere.

[standardannonymousguy]

Thank you Leaf Of Life Films. Your channel is great! Especially liked this one. Thank you for doing what you do. I sent out an email last week to my city asking if they could remove some concrete in a place in my neighborhood to plant a tree or two. We'll see if anything happens. :-)

[LeafofLifeWorld]

How do you prefer the pronunciation of Medellín? The Spanish way with the double L ('ll') which is commonly pronounced as 'y' in Spanish... or the local Colombian way to pronounce it as 'j'. For example,  'Medellin' is pronounced as 'Me-de-jin'.
Let me know you preference below👇

[nyahanan]

I feel always better in a park or forest, humanity needs nature for a wellbeing, for soul and everything, good idea to green the cities!

[pj]

If i had a shot every time u said Medellín i would be very drunk 😂

[tomjohn]

Wonderful documentary, this is what all cities need to be doing, Now if they can just eliminate fossil fuel vehicles and create a functional mass transportation system, which from the look of this, they already have a good start, and then recycle all recyclable rubbish…my brother and wife recently visited Columbia an enjoyable it very much…

[hunterhq]

Hope more urban greening projects to come

[piehamcake]

Medellin has some of the worst traffic I’ve ever seen sometimes it can take 2-3 hours just to drive from the north end of the city to the south

[youngyhasard]

Moi j ai planter beaucoup d arbres pour l environnement

[philswiftreligioussect]

Medellin already working on green spaces while Bogota is still without a metro,

[_Chessa_]

Why can’t every city.. especially LA, do this.. just plant in nasty sidewalk areas.

[KJSvitko]

Population needs to be in balance with jobs, resources, nature and the environment. Having a bigger population in any country than the country can support makes no sense. Access to food, water, shelter, energy and jobs should guide population levels. The worlds population is still expected to add another billion people to feed, clothe and produce pollution. Humans are crowding out all other species of plants and animals. Education and birth control are key to reducing poverty and hunger. Having a child that you can not provide for yourself is cruel and irresponsible. We need solutions not just sympathy. Endless population growth is not sustainable on a finite planet. Every country needs to "TRY" to be more self sufficient. When there are not enough resources to sustain a population something has to give. Countries need to focus on quality of life for their citizens and not just quantity of life for cheap labor. Why import fossil fuels when wind and solar energy can be produced locally and solar energy can power electric vehicles. We need solutions not just sympathy.

[berrytrenzy]

Making money is an action. Keeping money is behavior. Growing money is knowledge

[Eclispestar]

That all sounds nice. But mega cities becoming bigger does not sound so good. Id rather see people spread out more evenly and get their resources more local. With a emphasis on minimalism.