Why urban survival depends on the trees we often overlook

What happens if you cut down all of a city's trees? - Stefan Al · 5:26 · Video: TED-Ed · Watch at the source

In short: As the world shifts toward an urban future, we must reconsider our relationship with nature. This video explores why trees have been essential to successful cities since their inception and what happens if we lose them.

With an estimated 65% of the global population expected to live in cities by 2050, the role of urban greenery is becoming increasingly critical. Stefan Al examines the historical importance of trees in urban spaces, arguing that they are not merely decorative but are vital to a city's survival.

The lesson traces how humanity has recognized these arboreal benefits for thousands of years, challenging the idea that nature and urban environments are fundamentally disconnected.

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