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Forestry Expert Simon Rietbergen Dies, Leaves Lasting Legacy

11/26/2025

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Summary

Story summary

Simon Rietbergen, a forestry expert, died at 65 from multiple brain tumors.
Born in The Hague, Netherlands, he earned tropical forestry degrees from Wageningen University and held roles at the International Institute for Environment and Development (IIED).
He held roles at the World Bank and the International Union for the Conservation of Nature.
In July 2025, he launched the $150 million Great Green Wall to curb Sahel deforestation.

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Story summary

Simon Rietbergen, a forestry expert, died at 65 from multiple brain tumors.
Born in The Hague, Netherlands, he earned tropical forestry degrees from Wageningen University and held roles at the International Institute for Environment and Development (IIED).
He held roles at the World Bank and the International Union for the Conservation of Nature.
In July 2025, he launched the $150 million Great Green Wall to curb Sahel deforestation.