Sahel Diplomacy: Mauritania’s Defence Minister Hanana Ould Sidi met Niger’s President General Abdourahamane Tiani in Niamey, delivering a written message from President Mohamed Ould Cheikh El Ghazouani—another sign of Nouakchott’s growing role as a dialogue bridge in the Sahel. Regional Peace Talks: Sierra Leone’s President Julius Maada Bio arrived in Mauritania for high-level consultations on Sahel security, focusing on terrorism, violent extremism, and transnational crime under ECOWAS-Mauritania cooperation. Foreign Policy: Tunisia’s President Kais Saied received Mauritania’s Foreign Minister Mohamed Salem Ould Merzoug, reaffirming support for stronger bilateral ties across economy, trade, culture, education, and research. Energy & Industry: US firm Ohmium and Poland’s Hynfra signed a master cooperation agreement to advance green hydrogen and green ammonia projects in Mauritania, Jordan, and Oman, starting with FEED and technical support for PEM electrolyser expertise. Climate & Land: A Mauritanian official highlighted lessons from China’s desertification fight for Sahel countries, stressing dune advance and land degradation as urgent challenges under the Great Green Wall framework. International Business: Russia’s deputy foreign minister discussed economic cooperation with Mauritania’s ambassador, including broader regional issues across North Africa and the Sahara-Sahel. Governance & Rights: A UN-linked Sahrawi statement at C-24 renewed calls rejecting Morocco’s Western Sahara approach, framing UN Security Council Resolution 2797 as a legal and political turning point.