International Water Association

Zhengzhou’s sewage shift to green and low-carbon development

With China focusing increasingly on the value of recycled water, Yunfei Tan highlights an innovative sewage treatment model that is tackling water scarcity, reducing...

Innovation put to the test

Field testing reveals critical insights for adoption and commercialisation of non-sewered sanitation systems. Sonia Grego, lead author of a new book on the subject,...

The AI route from data blindness to data brilliance

Kala Vairavamoorthy explores how Generative AI can empower water utilities in the Global South, using data to unlock new ways of working. Across much of...

Decoding China’s digital water excellence

The China Subgroup of IWA’s Digital Water Programme organised the 2025 Digital Water Innovation Summit. Yufeng Guo, Aijie Wang, Hong Li and Dongjian Xu...

Leaving no-one behind

With women and girls disproportionately affected by poor water and sanitation services, Professor Juliet Willetts, winner of IWA’s Gender Diversity in Water Award, discusses...

The quest for bankable water projects

Dr Amit Chanan highlights the challenges of delivering clean water and sanitation and describes the methods used by IFC to leverage investment. For the water...

Catalysing investments – Innovative financing for sanitation

IWA is running quarterly sanitation dialogues throughout 2025 to advance learning and accelerate progress in sanitation. Florence Laker explains. Africa’s urban population is rapidly expanding...

The liquid matrix

Ashwin Dhanasekar and Prabhushankar Chandrasekeran dive into the AI- and IoT-powered world of next-generation water utilities. Clean water is crucial for communities and industries, yet...

Groundwater – a vital asset for climate change adaptation

As the UN-Intergovernmental Panel on Climate Change (UN-IPCC) develops a ‘Special Report on Climate Change and Cities’, Stephen Foster, Michael Eichholz, Ricardo Hirata, and...

Building water security in the Andes of Bolivia

Paula Cecilia Soto Ríos and Paola Andrea Alvizuri Tintaya describe Bolivia’s pathway to water resilience in the face of climate change and its impact...

FEATURED STORY

Get set for LET 2026

Pedro J. J. Alvarez tells The Source what delegates can expect from the 20th IWA Leading Edge Conference on Water and Wastewater Technologies. The 20th...

NEWS

UK’s first wastewater monitoring pilot

The UK’s first pilot wastewater monitoring centre has been launched at the University of Bath.  Researchers at the Excellence Water-Based Early-Warning Systems for Health Protection...