Monthly Archives: October 2015

Urban runoff kills salmon

Update July 18, 2016: Please refer to the comment below by Nat. There is a link to the original study. Here is a very good reason to set up rain barrels, and slow sand filters. Urban runoff is killing salmon.  It has been … Continue reading

Posted in slow sand water filter study and construction | 4 Comments

Regarding water, do trees make a difference?

This study, published in 2008, explains how trees in boreal forests help to form clouds. Boreal forests are found in the northern hemisphere. Pine trees, larch trees, and other conifers make up the majority of types of trees found in … Continue reading

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Think about water

An update regarding our ongoing work on slow sand filters. All of the filters here are still working. The oldest, filter 1, is working after 8 continuous years running. Filters 2, 3, 4, and 5 are still working. Here in … Continue reading

Posted in slow sand water filter study and construction | 1 Comment