International Water Association

Striving for desalination’s gold sustainability standard

Nikolay Voutchkov, who heads a world-leading innovation centre that is breaking new boundaries in desalination, spoke at last year's IWA LET conference. With the...

Detecting COVID-19 variants in wastewater

The global COVID-19 pandemic escalated quickly, and the challenge has been compounded by the rapid spread of new variants. The Source reviews some of...

Adaptive planning: a tool for times of uncertainty

As ‘deep uncertainty’ becomes the norm for long-term water planning, the adaptive planning that is needed requires new perspectives rather than just technology. Here,...

Quebec’s Canadian water efficiency first

The Canadian province of Quebec is making progress with its ambitious new water efficiency strategy, supporting loss reduction across some 800 municipalities.   The Canadian province...

Brazilian boost for a circular sanitation paradigm shift

A Brazilian initiative is developing the circular economy model for sewage treatment, using anaerobic technology in an approach that will help developing countries achieve...

To add water, subtract weeds

Mandela’s least known legacy may be his Working for Water programme, which employs thousands of marginalised people to clear invasive plant species, securing precious water...

Modelling for circular and sustainable options

The IWA Water Resource Recovery Modelling Seminar, held earlier this year, showcased the latest thinking on modelling and its potential to transform water and...

Adaptation should secure communities, not property

Against extreme shocks, communities within cities can remain, rebuild or relocate. David Zetland argues that the best solution is to convert human endeavour into...

Development of direct potable reuse regulations in California

Given the pressures on water resources that it faces, California has been a leader in water reuse. Jeff Mosher outlines how the state is...

Expanding professional testing services to small water suppliers

The Water Quality Assurance Fund is a financial tool to support outsourcing of testing. Ranjiv Khush and Caroline Delaire provide an update on work...

FEATURED STORY

Unleashing the diverse potential of anaerobic digestion

The recent IWA Specialist Group conference in Istanbul showcased the latest advances in use of anaerobic digestion. Kala Vairavamoorthy was struck by the growing...

NEWS

UNU report warns on tipping points if environmental risks not addressed

A new report released by the United Nations University (UNU) has found that drastic changes to fundamental socioecological systems are likely if environmental risks...