A Cresting Wave for Circular Water Strategy

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A Cresting Wave for Circular Water Strategy

'The need to move from a linear strategy to a circular one is driven to a significant extent by the gap between water supply and demand as well as associated issues of security, economic development and stewardship'.

By William Sarni 

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Image source: Pixabay

Each year Stockholm World Water Week is focused on a specific theme. This year, the topic is Water and Waste: Reduce and Reuse, which addresses the critical need to move from a linear model of water management to a circular one.

A circular economy strategy is one in which there is a feedback loop of integrating "waste" back into the system as a "resource." When applying this concept to water, examples include the reuse of wastewater for manufacturing opportunities and treating contaminated water and replenishing aquifers.

The need to move from a linear strategy to a circular one is driven to a significant extent by the gap between water supply and demand as well as associated issues of security, economic development and stewardship.

According to the World Bank, some regions could see their growth rates decline by as much as 6 percent of gross domestic product (GDP) by 2050 as a result of water-related impacts in agriculture, health, income and property — sending them into sustained negative growth.

Relatively recently has water been integrated into the narrative of the benefits of a circular economy strategy —  this approach is championed by the Ellen A. MacArthur Foundation and organizations such as the U.S. Chamber of Commerce Foundation. Several management consulting and engineering firms such as McKinsey and Arup also have articulated the value of approaching water management with circular economy principles in mind.

In the United States, a circular economy water strategy is also framed as a "One Water" approach — outlined by the U.S. Water Alliance in its 2017 One Water Roadmap (PDF). The benefits of a circular economy/One Water strategy are highlighted in Figure 1 (below) and are applicable to private and public organizations on a local and global scale, implemented through innovative partnerships that create cascading benefits.

Embracing a circular water strategy such as the one highlighted in the One Water roadmap has the potential to create significant value for society. This approach also supports several Sustainable Development Goals (SDGs) that center on improving water use efficiency, recycling and reuse by the 2030 timeframe.

Read full article: GreenBiz

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