Case Study: Stockholm Urban Greening Projects

Stockholm, Sweden, has been at the forefront of biochar applications in urban stormwater management since 2009. The city uses biochar-amended soils extensively to mitigate stormwater runoff, revitalize urban tree plantings, and enhance biodiversity. The structural bioretention systems include biochar mixed with crushed granite to promote infiltration. This pioneering work not only reduced urban flooding risks but also sequestered carbon, aligning with the city’s ambitious climate goals.

Source: Roberts 2022