If you are listening to this in the UK, the spot where you are standing was almost certainly once forest. 

Ben Rawlence joins Jimmy to talk about the Arctic treeline, and how climate change is causing our forests to creep north, and what it means for our own survival.

We always hear about planting more trees, but we don't hear so much about the importance of where we plant them. Scientists are only just beginning to understand the astonishing significance of these northern forests for all life on Earth, and Ben tells Jimmy what he's found in his research around the world.

You can read more about about Ben's book, The Treeline: The Last Forest and the Future of Life on Earth, here.

On Jimmy's Farm: A Podcast from History Hit.

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