Based on the Arab Industrial Development, Standardization and Mining Organization’s role in achieving sustainable development goals across all sectors, and working to transfer and localize modern technologies in the Arab region, the organization is participating in organizing the fourth edition of the International Exhibition and Conference on Water and Wastewater Technology, Waste Management, and Recycling – “Water of Tomorrow” – under the theme “Innovation for a Sustainable Water Future.” The conference will be held in Cairo from November 23-25, 2025, at the Egypt International Convention Center in the Fifth Settlement. The conference is sponsored by the Ministry of Housing, Utilities, and Urban Communities, the Ministry of Environment, and the German Ministry of Economic Affairs and Climate Protection. The conference is organized by Expotech Egypt Events, Expotech International (the German organizer of the official pavilions of the Ministry of Economy and Climate Protection at international exhibitions in Germany and abroad), and the Arab Industrial Development, Standardization, and Mining Organization. The IWWI 2025 International Exhibition and Conference is one of the most important regional and international events in the water and wastewater technology, wastewater reuse, wastewater technology, and green hydrogen sectors. The conference aims to address the challenges of 21st-century water by showcasing solutions and technologies. Innovative and encouraging international and regional cooperation.