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Our Activities
Our focus areas
The OSS mission is to support its African member countries in the sustainable management of their natural resources in a particularly disadvantageous climate change context .
Biodiversity
Preserve biodiversity, restore ecosystems, strengthen resilience
>Lire la suiteClimate
Strengthening resilience to climate change
>Read moreWater
Ensuring water security and regional cooperation
>Read moreLand
Combating desertification, restoring land
>Read moreOur tools

Afrik-ENCA
A methodology applied in six African countries, representing a first step for the development of an Ecosystem…

WAP Complex MR-EWS
A tool that helps anticipate and manage risks related to drought, floods, wildfires, and human–wildlife conflicts in…
Turning Methane into Opportunity
Supporting economic growth and addressing the climate crisis is a dual challenge that Africa’s oil and gas sector is facing. Methane is one of the most potent drivers of climate change...
Our news
OSS Honored on the Global Stage at UNESCO!
On June 11, 2025, during the grand commemoration of the 50th anniversary of…
Discovering the "7 Saharas" : Édouard Le Floch and his exceptional lecture at the OSS
The Sahara and Sahel Observatory had the honor of welcoming, on May 13, 2025,…
L’eau globale : réécrire les règles du jeu hydrique en Afrique, Tunis, 24 avril 2025
L’Observatoire du Sahara et du Sahel (OSS) a organisé ce jeudi 24 avril 2025, une…




