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The John Batchelor Show

S8 Ep267: GEOENGINEERING, ECOLOGICAL RESTORATION, AND DECOUPLING GROWTH FROM DESTRUCTION Colleague Gaia Vince. Vince outlines technological solutions for restoring the planet, such as ocean fertilization, which adds iron to oceans to boost algae growth and sequeste

The John Batchelor Show

John Batchelor

Society & Culture, Arts, News, Books

4.52.8K Ratings

🗓️ 30 December 2025

⏱️ 9 minutes

🧾️ Download transcript

Summary

GEOENGINEERING, ECOLOGICAL RESTORATION, AND DECOUPLING GROWTH FROM DESTRUCTION Colleague Gaia Vince. Vince outlines technological solutions for restoring the planet, such as ocean fertilization, which adds iron to oceans to boost algae growth and sequester carbon, mimicking natural cycles previously aided by whales. She also describes enhanced weathering, where specific rocks are distributed on land to absorb carbon dioxide from the atmosphere. Addressing the economy, Vince argues against "negative growth," proposing instead that we must decouple economic growth from environmental destruction. Batchelor adds that nature is already adapting to climate change, noting that plants like the mimosa are migrating northward in response to warming temperatures. NUMBER 4
1874 DEPARTING QUEENSTOWN

Transcript

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0:00.0

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0:36.1

Nomad Century is the book.

0:37.3

I'm John Batch with Guy Vince, and we're now restoring a planet

0:40.6

that's been damaged badly by climate change in the 20th century and the 21st century. And the

0:47.4

restoration is technological, so I need Gaia to translate some of this. We have B-E-C-C-S, bioenergy and carbon capture and storage. We have good old-fashioned

0:59.2

CCS, carbon capture and storage. We have ocean fertilization. Wonderful story. Let's begin there.

1:07.1

Ocean fertilization. We've got, what, three-fifths of the planet, so we've got a lot to work with.

1:12.7

What does it look like, Guy, and what benefit will we get from it?

1:16.0

Well, I mean, so at the moment, our oceans are already very depleted. They are 30% more acidic than they were in pre-industrial times.

1:25.9

And that means coral reefs and other shell-building organisms really struggle to,

1:32.0

they need a lot more energy to build their shells.

1:35.2

It's much hotter.

1:36.8

So, you know, coral reefs are on their way to extinction in the next couple of decades.

1:41.8

It's an absolutely terrible story.

1:46.0

But we can, you know,

...

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