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122 contributions
68 ideas
22 final ideas
Announced!
Ongoing

Concepting

Our Concepting phase has concluded. We took everything we learned during the Research phase and used those insights to develop our own creative ideas to address the challenge question. Check out the fresh thinking and head over to the current phase to join our collaborative efforts. Also:  Click here to read a quick overview of some of the existing solutions that the team found in Kumasi.

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A Swedish startup has created a chamber pot that is comfortable to sit on that also doubles as a tightly sealed, odor-containing watering can. By diluting the urine with water, the resultant fertilized can be used to increase plant growth/crop yields

A Swedish startup has created a chamber pot that is comfortable to sit on that also doubles as a tightly sealed, odor-containing watering can. By diluting the urine with water, the resultant fertilized can be used to increase plant growth/crop yields

Photo of Vincent Cheng
1 4

Find a way to enable families to afford a latrine purchase even with their limited cash flow.  Many are already spending some money on latrine usage ($0.10-0.20 per use).  Leverage this existing expenditure to finance a latrine.

Find a way to enable families to afford a latrine purchase even with their limited cash flow. Many are already spending some money on latrine usage ($0.10-0.20 per use). Leverage this existing expenditure to finance a latrine.

Photo of Jeff Chapin
3 9

Building a toilet and taking responsibility for proper waste management is a big deal.  It's good for a family and it's better for the community.  Find some way to celebrate it.

Building a toilet and taking responsibility for proper waste management is a big deal. It's good for a family and it's better for the community. Find some way to celebrate it.

Photo of Jeff Chapin
4 8

An improved bucket latrine that tries to solve the issues of past bucket latrines.  From the research, it seems that bucket latrines had high adoption in Kumasi but failed because of service/collection issues.  It is also very much in line with the '

An improved bucket latrine that tries to solve the issues of past bucket latrines. From the research, it seems that bucket latrines had high adoption in Kumasi but failed because of service/collection issues. It is also very much in line with the '

Photo of Jeff Chapin
4 6

Community Sanitation Engineers for Kumasi-To truly transform the sanitation situation in Kumasi will require the education of a new class of professionals to do the actual work of sanitation, and the work of educating hundreds of thousands of people

Community Sanitation Engineers for Kumasi-To truly transform the sanitation situation in Kumasi will require the education of a new class of professionals to do the actual work of sanitation, and the work of educating hundreds of thousands of people

Photo of Sabra Marcroft
4 8

A lesson from catty litter: toilets to be made out of bio-degradable, locally or centrally sourced absorbant materials, absomix, such as sand, sawdust or ash. After use, and just like our professors do (cats), absomix is scattered, maybe with foot sc

A lesson from catty litter: toilets to be made out of bio-degradable, locally or centrally sourced absorbant materials, absomix, such as sand, sawdust or ash. After use, and just like our professors do (cats), absomix is scattered, maybe with foot sc

Photo of Ossian Hynes
0 3

A disc restroom is a circular public restroom that is elevated above ground level.  Part of its functional structure is a portable disc, which is built to the alignment of the restroom floor to receive human wastes.  See vedios for more details.  The
A disc restroom is a circular public restroom that is elevated above ground level. Part of its functional structure is a portable disc, which is built to the alignment of the restroom floor to receive human wastes. See vedios for more details. The

A disc restroom is a circular public restroom that is elevated above ground level. Part of its functional structure is a portable disc, which is built to the alignment of the restroom floor to receive human wastes. See vedios for more details. The

Photo of Idia Idiou
0 2

The Product named "Kopper" was developed as an Honours Project at UWS's Industrial Design Program. It is a sustainable hand washing device for the third world and areas struck by natural disaster. It converts contaminated water into highly effective

The Product named "Kopper" was developed as an Honours Project at UWS's Industrial Design Program. It is a sustainable hand washing device for the third world and areas struck by natural disaster. It converts contaminated water into highly effective

Photo of Balin Lee
0 7

The Women’s Sanitation Union of Kumasi is a neutral organization with a CHARTER signed by Unilever, the Kumasi government and the ‘population’ which will champion, promote and monitor healthy and safe sanitation solutions in Kumasi.

The Women’s Sanitation Union of Kumasi is a neutral organization with a CHARTER signed by Unilever, the Kumasi government and the ‘population’ which will champion, promote and monitor healthy and safe sanitation solutions in Kumasi.

Photo of niko herzeg
5 7

The New Alchemy Institute (USA) tire pump could be a great concept for an approtech for latrine and septic tank emptying. Built using locally available materials easily found in the developing world and produced using processes well within the capabi

The New Alchemy Institute (USA) tire pump could be a great concept for an approtech for latrine and septic tank emptying. Built using locally available materials easily found in the developing world and produced using processes well within the capabi

Photo of Mark
1 6

The concept has the objective: Allow people bought cards for use of health claims with a number of pre-defined, and when they want according to your availability of funds; Encourage the use of adequate sanitary facilities with more often; Create spec

The concept has the objective: Allow people bought cards for use of health claims with a number of pre-defined, and when they want according to your availability of funds; Encourage the use of adequate sanitary facilities with more often; Create spec

Photo of Alessandro Ortega
4 11