Category Archives: cewas business incubator

Portable Composting Toilets for Multi Day Events

The Cloacina Project with design and implementation from PNCA’s graduate students in Collaborative Design created an open source hardware platform for toilets, urinals, hand sinks and privacy screens for portable low cost dry toilets. Recognizing that hardware is only half the problem the PNCA students addressed the user interface by creating a training protocol, help [...]

Understanding the low demand for sanitation for those with little money

Mat and I had a chance to hear Isabel Guenther speak on May 24th on the dynamics of sanitation and water investments as part of the Cewas program in Switzerland. Guenther is Professor of Development Economics at the Center for Development and Cooperation (NADEL) at the Swiss Federal Institute of Technology in Zurich (ETH). Guenther [...]

The Dream of the 60′s is Alive in Wolhusen

As part of the Cewas start up program Mathew and I had a chance on May 19th to visit Tropenhaus, a greenhouse for tropical plants located in the small town of Wolhusen, CH. The idea for the tropical house began with Johannes Heeb 11 years ago. The motivation was to re-use the waste heat from [...]

Talkin’ Shit in Switzerland

The Cloacina Project is in Switzerland till July 9th to participate in the first ever Cewas Start Up Programme in Willisau, Switzerland. The start up program brings together 12 young professionals from around the world for a year with several sessions in Switzerland, on session in India and yearlong mentorship from some of the world’s [...]

The 90s: US starts land applying sludge, Swizterland stops

In the 1990s, Switzerland banned the re-use of sludge for any agricultural purposes because of the high heavy metal and other persistent pollutants. Austria, and Sweden also banned such re-use. The main concern was that since waste water systems combine industrial and residential waste, the treated material could be harmful to the longterm health of [...]

Emergency Sanitation Workshop This Saturday

We'll be doing a 45 minute workshop on Saturday June 2nd @ 2pm at King Elementary School as part of Resilience PDX.org
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