Category Archives: Water
Collect and Purify Water
During short- and long-term emergencies, the most critical resource for you and your family will probably be potable water, especially if you live in an arid region. To prepare for such emergencies, and also to conserve water, you can practice … Continue reading
Case study: DuPont Plant, New Johnsonville, TN
For a number of years I took students in my graduate course Aqueous Geochemistry to tour the DuPont Plant in New Johnsonville, TN, about two hours west of Nashville. The plant manufactures Titanium Dioxide TiO2 by mining the mineral ilmenite … Continue reading
The Behavior of Water Pollutants
In their textbook "Ecological Economics" (2004), Herman Daly and Joshua Farley say that the limits to human population growth may lie not in resource depletion, but in the waste absorption capacity of the environment. This can be understood with the … Continue reading
Water Pollution Case Study: Lake Erie
I grew up in Buffalo, New York in the 1960’s and 1970’s, when pollution was reaching its peak in the rust belt and the environmental movement was beginning. One of the watershed moments in the environmental movement was the discovery … Continue reading
Water
If there is magic on this planet, it is in water. Loren Eiseley, in “The Flow of the River”, The Immense Journey. Water is already a limiting resource in many areas of the world, and has been so throughout human … Continue reading
Blog of John C. Ayers 