Source+5

[] __ [] __ Geneva Protocal was created June 17, 1925 Became inforced on Febuary 8, 1928  Geneva Protocol is international law    Prevents use of poisonous gasses   The Biological Weapons Convintion prevents use of, production, and storage of biological weapons   Nuclear weapons can have a lasting effect on the environment   Only used twice   About 26,000 estimated to still existed   2,000 nuclear weapon tests