Wastewater provides a trifecta of resources

Wastewater is typically considered something to quickly dispose of, but in San Antonio, Texas wastewater is turned into valuable resources: an ‘environmental trifecta’ of recycled water, organic biosolids, and methane gas. *By Robert C. Brears Recycled water To reduce San Antonio’s dependency on the drought-sensitive Edwards Aquifer for the city’s water needs, the San Antonio Water System (SAWS) has developed the largest direct...

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Books to Read in 2018
Dec29

Books to Read in 2018

The Green Economy and the Water-Energy-Food Nexus ISBN: 978–1–137–58364–2 [clickandtweet handle=”” hashtag=”” related=”” layout=”” position=””]The Green Economy and the Water-Energy-Food Nexus that a variety of policies will be required to create synergies between the water-energy-food nexus sectors[/clickandtweet] while reducing trade-offs in the development of a green...

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Wastewater Treatment Plants Becoming Prosumers
Dec13

Wastewater Treatment Plants Becoming Prosumers

Around the world, leading wastewater treatment plants (WWTP) are becoming prosumers: both a producer and consumer of energy. In regular WWTPs, aeration, pumping, and solids processing account for most of the electricity that is used. In fact, energy is the second-highest budget item for these utilities after labor costs. Wastewater is a renewable resource [clickandtweet handle=”” hashtag=””...

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Green Roofs Mitigating the Risks of Climate Change
Dec06

Green Roofs Mitigating the Risks of Climate Change

Taking a proactive stance, many cities are implementing green roof policies to mitigate the risks of climate change. By Robert C. Brears* Climate change is likely to increase the frequency and magnitude of both rainfall events and heat waves in cities around the world as global temperatures continue to rise. Green roofs are a key aspect of mitigating urban flooding risks as they absorb rainwater and prevent water from overwhelming...

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A Drone Inspecting Singapore’s Sewerage System
Nov28

A Drone Inspecting Singapore’s Sewerage System

Singapore’s Deep Tunnel Sewerage System (DTSS) is an underground highway for the management of used water and being able to regularly inspect and maintain it is key to preventing disruptions to its operations. However, the depth of the tunnel makes it a challenge for human entry to conduct manual inspections. AeroLion Technologies (ALT) has come up with a solution. ALT plan to automate a miniature unmanned aerial vehicle (UAV) system...

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Life Cycle Thinking to Save Water in Buildings
Nov15

Life Cycle Thinking to Save Water in Buildings

With Europe facing water scarcity, the European Union (EU) is applying a life cycle thinking framework called Level(s) to save water in buildings. By Robert C. Brears* In the EU, water scarcity is becoming more frequent, affecting at least 11% of the population and 17% of its territory. Despite this, 20-40% of Europe’s available water is being wasted through leaks, lack of water saving technologies, and unnecessary irrigation. Under a...

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