The project is focused around natural and vernacular water cleaning systems. Slovenia belongs to the most forested countries in Europe. Researchers found that xylem tissue from a white pine tree, when used to filter contaminated water, removed 99,9 % of E. coli bacteria.

Ceramic and wood structure, visible under a microscope.

Ceramic water filters are an inexpensive and effective type of water filter that rely on the small pore size of ceramic material to filter dirt, debris, and bacteria out of water. This makes them ideal for use in developing countries, and portable ceramic filters are commonly used in backpacking.