NOVA

Why Just Planting Trees Won’t Save the Planet

A paper published in 2019, estimated that there is enough land on Earth to support an extra trillion trees to capture carbon. But in the rush to grow trees, people ignored the supporting environment that exists in a forest. Discover why biodiversity matters in forests.

Why Just Planting Trees Won’t Save the Planet

3m 4s

  • Secrets of the Forest: asset-mezzanine-16x9

    Secrets of the Forest

    S52 E8 - 53m 41s

    Can forests help cool the planet? Follow scientists through spectacular landscapes as they study complex networks of trees, fungi, and creatures large and small – all in a quest to tackle the twin threats of climate change and species extinction.

  • Revolutionary War Weapons: asset-mezzanine-16x9

    Revolutionary War Weapons

    S52 E7 - 53m 39s

    How did a ragtag army defeat the most powerful army in the world to win American independence? Discover the key military technologies that helped propel the colonies to victory, from the Brown Bess musket to the world’s first military submarine.

  • Baltimore Bridge Collapse: asset-mezzanine-16x9

    Baltimore Bridge Collapse

    S52 E6 - 53m 32s

    On March 26, 2024, a massive container ship plowed into the Francis Scott Key Bridge, killing six highway workers. How did the ship lose control? Why did the bridge fail so catastrophically? And how many other bridges around the world are at risk?

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