Water

Water Efficiency Weekly

Floating to the Rescue

Floating to the Rescue

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Although towing an iceberg from Antarctica to South Africa to relieve drought-plagued Cape Town sounds far-fetched, or like the plot of a summer blockbuster movie, it’s a solution that experts in South Africa are seriously considering.

Marine salvage expert, Nick Sloane, who in 2014 successfully refloated the capsized Italian passenger ship  … Read More

River Revival

River Revival

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The Santa Cruz River once flowed year-round in Tucson, AZ, supporting one of the largest mesquite forests in the world.  But urban development and extensive groundwater withdrawals in recent years caused the river’s volume to dwindle. Today, city administrators hope to use recycled effluent to restore the river’s flow to  … Read More

From Vapor to Liquid

From Vapor to Liquid

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We’re surrounded by water molecules in the air. Even in the driest environments, it swirls around us as airborne vapors. For decades researchers have worked to develop ways to extract and collect water from the air but these concepts have typically required large amounts of energy and have often proven  … Read More

Water Efficiency—Reader Favorites

Water Efficiency—Reader Favorites

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Listed below are the top Editor Blogs, Reader Favorite articles, and Water Efficiency magazine articles for you to enjoy. This list is curated based on reader views, search traffic, e-mail click-through, and most commented articles.  … Read More

Advanced Filtration Technology

Advanced Filtration Technology

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The first requirement for any community is a secure and clean supply of drinking water. This explains why early civilizations were founded along the banks of major rivers such as the Nile, Indus, Yangtze, Tigris, and Euphrates.  … Read More

Incentivizing Groundwater Management

Incentivizing Groundwater Management

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How can organizations finance the changes needed to preserve groundwater? In Brazil, where drought has left the countryside parched, farmers are being paid to improve infrastructure and implement groundwater preservation techniques.

In Brazil, about 60% of the country’s freshwater is used for crop and livestock production. With the understanding that poor  … Read More

How to Evaluate and Manage Pipeline Infrastructure

How to Evaluate and Manage Pipeline Infrastructure

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Asset management has emerged as a methodology that water agencies have adopted to evaluate and manage their pipeline infrastructure. The profiles of public works and water utility departments discussed in this article reflect how, over the course of 25 years, water agencies have transitioned from replacing a pipe simply because  … Read More

Data, Data, and More Data

Data, Data, and More Data

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From 2012–2016, the state of California was under the spell of one of the worst droughts in history. During this four-year time frame, we witnessed expensive media campaigns urging residents to reduce their use, and some cities in the Central Valley actually started rationing water supply for residents. With the  … Read More

Backflow Prevention Methods

Backflow Prevention Methods

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Without a source of clean, safe water, neither individuals nor communities can survive. So perhaps the greatest invention of any civilization is a way to ensure clean, safe water. Supplying clean, potable water is both complicated and straightforward. The actual process is a relatively simple series of steps (extraction from  … Read More

Storage in the City

Storage in the City

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Wooden water tanks were once ubiquitous on the urban skyline—cylinders standing guard like sentries above the rooftops. Today, however, it seems that water containment devices are increasingly tucked away behind walls and integrated into building design.

Most contemporary buildings pump water to large reservoirs in the top floors to make use  … Read More

Microbial Fuel Cells

Microbial Fuel Cells

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Cellular respiration is one of the fundamental biological processes necessary for life. During this metabolic reaction, cells convert biochemical energy from nutrients into adenosine triphosphate (ATP). The process involves breaking down molecules and freeing electrons. The movement of these electrons affords opportunities for energy production.

Microbial fuel cells (MFCs) capitalize  … Read More

Omniscient GRACE

Omniscient GRACE

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Perspective often grants us the vantage point necessary to observe things with clarity. When Carl Sagan described gazing back at the earth from space in Pale Blue Dot, many of us were, for the first time, able to visualize our home planet from afar and reflect on it in the context  … Read More



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