Category Archives: Drinking Water

History and the Nutritional Value of Alcohol

Posted on 13-February-2017 by rogerdhansen

By Andrew Curry, Writer [1] People drank the stuff (alcohol) for the same reasons primates ate fermented fruit:  because it [made them feel good and because] it was good for them.  Yeasts produce ethanol as a form of chemical warfare–it’s … Continue reading →

Posted in Drinking Water, food, Science | Tagged , , | Leave a comment

Inventive Ways Global Cities Are Conserving Water

Posted on 25-August-2015 by rogerdhansen

by Justin Worland (Time, 31 Aug 2015) Below are four inventive ways that cities around the globe are working to conserve water: Floating Shade Balls:  Los Angeles’s is using shade balls, which blocks the sun over reservoirs to prevent evaporation … Continue reading →

Posted in Drinking Water, History, real-time monitoring, Technology, Water | Tagged | Leave a comment

Getting Real About Water Conservation

Posted on 07-March-2015 by rogerdhansen

Every time a region of the United States enters a short- or long-term drought, out come the histrionics.  “The sky is falling.”  But crying “wolf” is not a remedy.   Careful planning by considering existing and future technological advances is … Continue reading →

Posted in Drinking Water, pollution, Science, Technology | Tagged , , , | 1 Comment

Recycling Urine into Drinking Water

Posted on 02-March-2014 by rogerdhansen

On our last trip to Uganda, we were accompanied by Michael Flynn, a life-support engineer at NASA Ames Research Center in Moffett Field, CA. The following is from an article by Boonsri Dickinson at smartplanet.com: Flynn has a pretty important … Continue reading →

Posted in Drinking Water, pollution, Science, Social Justice, Technology | Leave a comment

Two Days with LDS Humanitarian Missionaries

Posted on 12-May-2013 by rogerdhansen

In the Siem Reap region of Cambodia, I recently spent a short time shadowing LDS humanitarian missionaries–Brother and Sister Kohls–and a short-term specialist engineer (and his wife).  It was a very enlightening two days. On the first day, we spent the entire day visiting … Continue reading →

Posted in Drinking Water, Mormon Mission Experiences, mormonism, Social Justice, Travel | 2 Comments

Ongoing Humanitarian Disaster in South Sudan

Posted on 02-September-2012 by rogerdhansen

I live part-time in Uganda, east-central Africa.  I love the country and try to visit at least once a year. South Sudan–the world’s newest country, and one of the poorest–shares its southern border with northern Uganda.  South Sudan’s northern border is in dispute with Sudan; the border … Continue reading →

Posted in Drinking Water, Engineers Without Borders, Social Justice, uganda | Leave a comment

Short Videos on the World’s Water Crisis

Posted on 20-March-2012 by rogerdhansen

There are 4 excellent short videos on the Internet discussing the world’s water crisis.  They are titled: The Future of Water:  Fidelity analyst Anna Davydova breaks down the facts and discusses what lies ahead. Water Changes Everything:  This video explores how we … Continue reading →

Posted in Drinking Water, Environment, Social Justice, Technology | Leave a comment

Empowering Locals

Posted on 12-February-2012 by rogerdhansen

I recently read Wine to Water by Doc Hendley.  This short book describes the author’s experiences in war-torn Darfur (western Sudan), trying to improve drinking water supplies.  Doc provided what might be called guerilla aid.  WtW is an easy read filled with … Continue reading →

Posted in Books, Drinking Water, Organizational Dynamics, Social Justice, uganda | Leave a comment

Water Treatment: Forward Osmosis

Posted on 28-September-2011 by rogerdhansen

Osmosis is the transport of water across a selectively permeable membrane from a region of higher water chemical potential to a region of lower water chemical potential.  And Forward Osmosis (FO), according to Wikipedia is:    . . . an … Continue reading →

Posted in "Green" Homes, Drinking Water, Engineers Without Borders, Environment, Navajoland, Technology | 2 Comments

Water and Energy Modules for Navajo Outposts

Posted on 27-September-2011 by rogerdhansen

On August 12th, I was given a tour of a solar-powered water and energy supply module designed to provide modern amenities for Navajos living in isolated locales in the Utah, Arizona, and New Mexico.  The demonstration unit was designed and … Continue reading →

Posted in "Green" Homes, Drinking Water, Navajoland, Technology | 2 Comments