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How to flood-proof an entire river

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Jonas Mayer
June 5, 2026

Five years ago, the Ahr valley in Germany was literally swept away by a massive flood. While building back, the locals are already preparing for the next one. How do they do it?

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Planet A

We're destroying our environment at an alarming rate. But it doesn't need to be this way. Planet A explores the shift towards an eco-friendly world and challenges the way we are dealing with climate change.

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