Due to the uneven distribution of geochemical elements and environmental pollution caused by industrial development, the environmental media in some areas are rich in fluorine and arsenic. High-fluorine, high-arsenic, and double high regions of both fluorine and arsenic exist widely in the...

Many European economies have faced pressure from rental housing affordability that has widened social and economic divergence. While significant country and regional differences exist, this departmental paper finds that in many advanced European economies a large and rising share of low-income...