Urban biodiversity at risk. By mid-century, 70 percent of the world's population will live in cities. Photo: Loozrboy Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)

Loss of urban biodiversity is a threat to human health

Loss of microbial biodiversity in degraded soils, which is particularly prevalent in cities, promotes the spread of bacterial pathogens and antibiotic resistance, says an international study. Restoring green spaces, by contrast, creates a biological barrier to their spread

Re Soil Foundation