09-12-2015 19:19 via phys.org

Flushed resource restores ecosystem

Every city has abandoned industrial sites. Encouraging life to return to these barren areas is a challenge. It requires a healthy topsoil for plants and animals to flourish. Cities, with their heavily compacted and often contaminated soils, often struggle to restore blighted spaces. Quality soil is necessary—but not abundant in cities. Enter biosolids.
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