About the Project

December 1, 2022 is the starting date for our new four-year EU project P2GreeN, which will develop, test and adapt the use of human sanitary waste to produce safe, bio-based fertilizers for agriculture. Our consortium of 32 European partners scored well with the Horizon Europe program and we have been awarded the contract to implement this unprecedented project.

Vast amounts of wastewater with a high nutrient content disappear daily into the sewers of large cities. On the other hand, agriculture, using conventional fertilizers, struggles to produce good yields in the fields to feed the growing world population. What some have too much of, others have too little of. There must be a solution to this.

Work Packages (WPs)

Blueprinting the regional clusters

Work package 1

Monitoring & assessing the benefits

Work package 2

Supporting the transition

Work package 3

Building the governance framework

Work package 4

Reduce. Reuse. Recover.

P2GreeN’s overall objective is to foster a circular material flow system between urban and rural areas thereby restoring the coupling of the water-agri-food system following the 3R principle “Reduce, Reuse, Recover”. To achieve this, P2GreeN will develop new solutions for the circular economy to halt and eliminate nitrogen (N) and phosphorus (P) pollution by connecting blue urban with green rural infrastructure, focussing on circular nutrient flows of nitrogen (N) and phosphorus (P), two important plant nutrients and at the same time water polluters. This objective will be achieved through the implementation and exploration of innovative N and P recovery solutions for the utilization of human sanitary waste from urban settlements and its conversion into safe bio-based fertilizers for agricultural production in three pilot regions.

P2GreeN pilot regions

Gotland - Sweden
Metropolitan Region of Hamburg-Hannover
The Axarquia region in Malaga (Spain)

Follower Regions





Our Partners

Our consortium of 32 European partners scored well with the Horizon Europe program and we have been awarded the contract to implement this unprecedented project.

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