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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.

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.

https://youtu.be/zarll9bx6FI?si=Ye4g2onctAhjzdrs

A tree is basically a living pipeline wrapped in armor.

This diagram shows the layers inside a trunk—outer bark for protection, phloem for moving nutrients, cambium for growth, and xylem carrying water upward from the roots. Every ring and layer has a job, and understanding them helps explain why some wood is stronger, wetter, or more resistant than others.

Good loggers don’t just cut trees—they understand how trees work from the inside out.

Have you been pining for a chance to discover your personali-TREE? Yew axe, we deliver! 🌳🌲🪵

Today and every day, we’re celebrating these magnificent plants that provide habitat and food for wildlife and humans, clean the air, reduce erosion, and beautify both natural and urban areas. 💚

Which tree did you get?