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

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Published 2020-04-24
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.

Animator's website: animationworkshop.via.dk/
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All Comments (21)
  • @TEDEd
    Learn about some mind-blowing solutions to the Climate Crisis and how you can get involved with #EarthSchool, a 30 day adventure from TED-Ed and UNEP that combines videos, activities, and next steps that will leave you marveling at the natural world and excited about the future. Start the challenge with a friend or family member today: bit.ly/Earth-School
  • @RuriDaisy
    I love the fact that this video is starting with ancient city Uruk then went end into modern city like Singapore
  • 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.
  • 😱😱 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
  • @DanDan-ou7rr
    "There's nothing wrong with having a tree as a friend" - Bob Ross
  • I am one of the luckiest person on earth because I live next to bunch of giant trees.
  • @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 🙏
  • @jaridkeen123
    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.
  • @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 ❤
  • @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.
  • @Z_0823
    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. :(
  • As a person living in Singapore, I’m very happy to say, it’s so pleasing to the eyes to see green everywhere
  • @cadtexequiel732
    When I was in Elementary, I make friends with trees and talk to them. It's weird but I feel they really listen to you as a friend.
  • @tom-qs2vb
    Shout-out from Anuradhapura, Sri Lanka.
  • 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.
  • @nerfonyt
    TED-Ed : uploads video Me: reads title Also me: " I will get arrested "
  • @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. 🌳🌲🌴🌿🇧🇷