The Water & Waste Expo (WWE) is a leading trade fair for water and waste management in India, held biennially at the Bharat Mandapam in New Delhi. Organized by the Confederation of Indian Industry (CII), it brings together professionals, businesses, policymakers, and innovators from the environmental sector to showcase the latest technologies, strategies, and solutions for sustainable water and waste resource management. With a strong focus on water supply, waste management, wastewater treatment, circular economy, and sustainable urban development, WWE serves as a key platform for exchanging insights on current challenges and forward-thinking advancements. The exhibition highlights cutting-edge water treatment systems, smart waste management solutions, innovative recycling methods, and sustainable infrastructure concepts, providing a comprehensive overview of the latest products and services in this crucial sector. As one of the most populous countries in the world, India faces significant challenges in resource utilization and environmental management. WWE plays a vital role in promoting sustainable solutions that have a national and global impact. International corporations, start-ups, and leading organizations present their innovations—from state-of-the-art membrane filters and IoT-enabled monitoring systems for water supply to intelligent recycling solutions and concepts for zero-waste cities. A key highlight of the expo is the series of expert conferences and live demonstrations, where companies showcase their latest developments. In addition, outstanding achievements in the water and waste management sector are recognized. WWE attracts exhibitors and professionals from various industries, including water and wastewater management, municipal services, construction, chemical and pharmaceutical industries, food production, as well as numerous start-ups and research institutions. The venue, Bharat Mandapam in New Delhi, is one of India's most modern exhibition centers. Centrally located, it offers excellent connectivity to national and international transport networks, with direct access to Indira Gandhi International Airport and seamless links to the city's metro and road network. The Water & Waste Expo in New Delhi took place from Thursday, 20. February to Saturday, 22. February 2025.