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The 20th anniversary edition
March 14 & 15, 2025
at UNESCO / Ministère de la Santé / Mediawan • Paris
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Debate

Water and forests: guardians of our survival

‘Remember the water cycle we all learned about at school: clouds, mountains, rivers, oceans... and forests. But what we often forget is that trees are essential to this cycle. They do more than just decorate our landscapes: they allow water to infiltrate the soil, regulate rainfall through evapotranspiration and retain carbon. Without them, the whole balance collapses. Fewer trees = less water in the soil = less life. Every tree cut down brings us closer to a future where water, biodiversity and the ecosystems we know disappear.
Preserving this cycle means preserving our future. It's not just a question of protecting the planet, but our very survival. Water and forests are the true guardians of life on Earth. In this session, we'll explore this vital link and you'll understand why, now more than ever, we need to act together.’

Laurent BOILLOT , President of Hennessy

Anastassia MAKARIEVA , Researcher at the Petersburg Nuclear Physics Institute

Antonio NOBRE , Emeritus Researcher in Ecology and Geosciences at the National Institute for Space Research in São Paulo

Peter WOHLLEBEN , Forestry engineer and author of The Hidden Life of Trees.

Moderation:

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La maison de l'UNESCO, 125 avenue Suffren, 75007 Paris – Salle I
Saturday, March 15 – 16:30 - 18:00
In partnership with L'OFFICE FRANÇAIS DE LA BIODIVERSITÉ, PLANETE URGENCE
L'OFFICE FRANÇAIS DE LA BIODIVERSITÉ PLANETE URGENCE

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With the intervention of

Laurent BOILLOT
Laurent BOILLOT
President of Hennessy
Antonio NOBRE
Antonio NOBRE
Emeritus Researcher in Ecology and Geosciences at the National Institute for Space Research in São Paulo
Peter WOHLLEBEN
Peter WOHLLEBEN
Forestry engineer and author of The Hidden Life of Trees.
Anastassia MAKARIEVA
Anastassia MAKARIEVA
Researcher at the Petersburg Nuclear Physics Institute

Moderation