Rainwater Harvesting Tank at the School in Puka Puka, Bolivia

The Tank is constructed using a metal mold that is then filled with cement and barbed wire.

Explanation of how to calculate for rainwater harvesting

Ferro-cement rainwater harvesting tank, CENFOTEC Cochabamba, Bolivia

Construction of a grey water treatment system, Cochabamba, Bolivia

Construction of a sewage treatment wetland CENFOTEC, Cochabamba, Bolivia

Students gathering flowers from the finished constructed wetland

Installing a solar panel to run a water pump from a spring into the village of Japo, Bolivia

Solar cooker, Japo, Bolivia.

Villagers in Puka Puka carrying a concrete top to place on the composting toilet base.

Composting Toilet, CENFOTEC, Bolivia.