Acid rain, economic development, and a century of mining pollute Rocky Mountain waters.
In the tendency to assume that science-based conclusions are objective and reliable, public health tragedies are allowed to occur repeatedly.
Kyauta mara iyaka, Bincika komai Babu Talla, Miliyoyin taken kuma an ƙara kowace rana, Duk dandamali da Ingantaccen Cikakke, A ko'ina da kowane lokaci
