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Sep 15 2014

Guest Post: Recent Publication on Virus Removal in Wastewater Treatment Ponds

This Guest Post comes from Matthew E. Verbyla University of South Florida verbylam@mail.usf.edu

At the University of South Florida, we have been studying pathogen removal in wastewater treatment pond systems in Bolivia for the past couple years (Verbyla et al. 2013a, b). Our most recent publication (Symonds et al. 2014) examines the removal of viruses in these systems. The efficiency of virus removal in wastewater treatment ponds is still poorly understood and the overall consensus has changed throughout the years.

Sep 09 2014

A Tale of 3 Countries: Water Risks to Global Shale Development

This is a Guest Post by  Andrew Maddocks and Paul Reig - September 05, 2014 courtesy of  The World Resources Institute Blog. To read the original post, click here.

The shale gas revolution, which began nearly 10 years ago in the United States, is poised to spread across the globe. For many countries, shale gas could strengthen energy security while cutting emissions.

But unlocking this massive resource comes with a significant environmental risk: access to freshwater for drinking, agriculture, and industrial use. Drilling and then hydraulic fracturing each shale gas well uses large volumes of water for short periods of time—between 7 million and 25 million liters (1.2 million and 6.6 million gallons).

This week, WRI released Global Shale Development: Water Availability & and Business Risk, a first-of-its-kind report that raises a yellow flag: a series of water availability-related challenges could limit shale resource development on six continents. Three countries help tell the complex story: China, Argentina, and the United Kingdom.

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Efficient Desalination by Reverse Osmosis

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