What happens if you cut down all of a city's trees? - Stefan Al

Explore what makes trees a vital part of cities, and how urban spaces throughout history have embraced the importance of trees.

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By 2050, it’s estimated that over 65% of the world will be living in cities. We may think of nature as being unconnected to our urban spaces, but trees have always been an essential part of successful cities. Humanity has been uncovering these arboreal benefits since the creation of our first cities thousands of years ago. So what makes trees so important to a city’s survival? Stefan Al explains.

Lesson by Stefan Al, directed by Mette Ilene Holmriis.

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[RuriDaisy]

I love the fact that this video is starting with ancient city Uruk then went end into modern city like Singapore

[jessicajayes]

Here's a nice example: When my parents bought their house, there was only 1 tree and it has since had to be uprooted due to interfering with pavement. However, since moving in, my parents have planted 5 trees in their garden. A pine tree, a maple, 2 apple trees, and a cherry tree all grow on their property. My mom also has bird feeders all over the place. My mom's garden has become a food court for wildlife. Hummingbirds, cardinals, sparrows, squirrels, rabbits, even deer have been spotted in the yard.

[solomonizmaylov]

The sound design in this video is bomb. Whoever did it is amazing!

[manusharamanayake]

😱😱 I live in Anuradapura. What a coincidence. Never thought Ted would make a video referring Sri Lanka.
Love your videos. Great animations

[_Invisible_Man]

We would only understand their importance when we have to pay for fresh air

[jaridkeen]

My goal for 2020 is to Plant 50 Trees in my City Orlando. If you are reading this i challange you to plant 10 Trees in 2020. Together we can make a world a better and more beautiful place without waiting for Government Policies that take Decades.

[MOJO-IV]

I’m architecture student I have just finished my first year after I have watched this video i started putting lot’s of trees in every project i do 😂😂 and will continue doing it even after I finish architecture school 🙏

[dodobcsl]

I'm a Srilankan 🇱🇰
First of all so suprised & happy to see Anuradhapura (අනුරාධපුර) featured in this TED-Ed video 😊 I invite all of them to watch this video till the end.
As the youth of our respective countries, it's our duty to protect trees, get involve woth nature and be a part of this eco system. It's time to blend with nature, It's time show our immense admiration to the nature ❤

[AJEETSINGH-nxll]

I am one of the luckiest person on earth because I live next to bunch of giant trees.

[DanDan-ourr]

"There's nothing wrong with having a tree as a friend" - Bob Ross

[zaasasdadad]

Trees also help with noise pollution. The dense foliage and trunk works well as a sound barrier, reducing city noises to several decibels. Important if you're trying to stay sane in a noisy environment.

[Absolutelysupreme]

You have to admit, the opening quote is seriously wonderful!

[siddhantchoudhury]

As a person living in Singapore, I’m very happy to say, it’s so pleasing to the eyes to see green everywhere

[Z_]

As a Singaporean, I am proud of the massive amount of trees here. But recently they have been cut down to make way for housings and buildings. :(

[AGRIELLEAS]

That is wonderful, I wish this video can be translated to português. Brazilian people need to see this and make some different in the cities. 🌳🌲🌴🌿🇧🇷

[genaquino]

There's always a bunch of knowledge I am able to acquire in every video you make. I am moved with your effort. Thank you, Ted-Ed!

[kiruthishamathivannan]

Ooh my! who is watching this from srilanka like me
It's true that, we srilankans do give important and respect to trees even now. It's a bond we will never break.

[Frogarazzi]

I lived in Savannah for about 5 years and it's cool to see it come up in a video! And it's all true, the amount of square parks defines Downtown Savanah

[stephiskhan]

The art design of this video is beyond gorgeous. It’s so smooth and sleek and calming.

[goldengifts]

When i used to live in malaysia, there was a giant tree in front of our apartment building, it was planted in this big park that i liked to play in when i was younger. A few years later it was cut down, it was a very sad morning. This video made me really happy seeing all the trees