”Return to the soil” circular sensors
SANKEN, Osaka University
Arthur Guilleminot
photo by: Jeph Francissen
Piss Soap is an extremely simple material with a broad social and conceptual entanglement. On the one hand, it is a deviant and regenerative soap made out human activity wastes, namely used cooking oil, human urine and wood ashes. On another hand, it is a local and communal effort to tackle climate change, and subvert the narrative of climate transition and circular economy, embracing care, community and local solutions. Piss Soap invites for a new way to radically connect with our material legacy on the planet while taking a humorous and unique perspective on how can we, as citizen, tackle some of our discarding issues with a bit of creativity and “gut-feeling”. Piss Soap started in 2017 in Amsterdam and has since then been transforming waste in the city into usable soaps.
The project engaged both the public and local inhabitants through interactive workshops and collection events, creating a platform for discovery, collaboration, and participation. These events allowed people to learn about the initiative, contribute their ideas, and directly engage with its goals. By fostering this inclusive environment, the project gained valuable input from diverse communities, shaping its design and execution in meaningful ways. As a result, it built strong local support and momentum, which helped it gain visibility beyond its initial scope. The project's success in one area attracted interest from other regions, leading to its adoption in various cities across Europe.
Course Leader at MA Material Futures, Central Saint Martins London
Piss Soap's success hinges on tackling the issue of waste material and fostering a meaningful conversation about how human waste can be beneficial today and in the future.
Piss Soap emphasises the importance of understanding the materials we encounter in our daily lives, their history, and the taboos associated with them. By doing so, Piss Soap aims to design solutions and materials that are mindful of their context.
This initiative not only offers a way to recycle human waste but also provides an opportunity to reconsider our relationship with the materials that surround us and the stigmas attached to them.
Marketing Leader at FabCafe Kyoto, SPCS Community Manager
The existence of pee and poo is unique. While they are often seen as representative of "dirty" things, simply saying these words tends to make both adults and children smile. Although we generally dislike them, perhaps we also feel a certain attachment to them because they come from our own bodies. This project creatively and charmingly shifts perspectives by turning pee into soap, transforming something "dirty" into something clean. Using a natural material readily available even in urban environments lacking natural resources is both clever and resourceful. It’s a little unsettling, but it’s also a catchy and intriguing concept that walks a fine line—and one I’d like to try making myself.
All Waste into Renewable Energy [ZERO WASTE PROJECT BIOTECHWORKS-H2]
BIOTECHWORKS-H2, Inc.
CircÛbi
ETH Zurich, Chair of Circular Engineering for Architecture and ETH Zurich, Chair of Architectural Behaviorology
LightEd
LightEd
Creating a sustainable future by developing earth friendly Kuroge Wagyu “decarbonized beef” and Mathane-Fermentation Biogas power generation from organic waste.
YAEYAMA RETTO CARBON FREE FARM LLC
Thaely
Thaely Pvt Ltd
Natural paper from fallen leaves
Releaf Paper France SAS
White tires for road bikes are available for early bird sale, 700 28C, carbon black free.
LIPPER K.K.
Woola
Woola OÜ
The material from the sea「amuca®」
amu inc.
TOILETOWA
JIEN LLP・Tono Mirai architects
Cement Project
Keio University Graduate School of Media Design SAMCARA Project
Vleur
Keio University Graduate School of Media Design SAMCARA Project
Perspire
Nate Fiber limited
Structure made of one tree -Digital assistance to put natural shape wood in practical use
individual
Stone Waste is Bliss Ceramic Tiles
Ignorance is Bliss
The Akasango reef, an homage to the Japanese Red Coral
rrreefs
ReLink —Platform for Building Materials Reuse DX—
Meiji University
CORALCOLLABO
CORALCOLLABO
Creating a Circular Community Through Food
Ramune Pic LLC
Yutaka Ibasho Mobile Circulation Lounge
nitehiworks
The Growing Pavilion
Company New Heroes / Biobased Creations
BLUE FRONT SHIBAURA SUSTAINABLE ACTION
NOMURA REAL ESTATE DEVELOPMENT Co.,Ltd.
Seaweedery project
Seaweedery
CIRCULAR ERP
sykell GmbH
Fermentation of forest residue over from forests to beautify both people and nature, a Circular Economy activity that pleases everyone.
Table Company, Inc. Fermented Bath Nifu
Sustainable Doka Practise
Individual