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.
ບໍ່ ຈຳ ກັດການເຂົ້າເຖິງຟຣີ, ຊອກຫາຫຍັງບໍ່ມີໂຄສະນາ, ຫົວລ້ານແລະເພີ່ມທຸກມື້, ທຸກແພລະຕະຟອມແລະຖືກປັບປຸງໃຫ້ສົມບູນແບບ, ທຸກບ່ອນແລະທຸກເວລາ