Crowd sensing for the environment: Citizen science and plant apps map how urbanization alters city soils and climateAcross Europe, built-up areas are warmer, drier, and darker than the green spaces within the same cities. Their soils are more alkaline, saltier, poorer in nutrients, and more strongly disturbed by mechanical soil management than those in parks or urban forests.phys.org/news/2026-01-crowd-en…#CitizenScience #environment #plants #urbanization #climate #soil #city #CrowdSensing