countries that have signed, but not yet ratified — (1) Morocco
Nuclear Test Ban
see — Treaty Banning Nuclear Weapons Tests in the Atmosphere, in Outer Space, and Under Water
Ozone Layer Protection
see — Montreal Protocol on Substances that Deplete the Ozone Layer
Protocol of 1978 Relating to the International Convention for the Prevention of Pollution From Ships, 1973 (MARPOL)
note — abbreviated as Ship Pollution
opened for signature — 17 February 1978
entered into force — 2 October 1983
objective — to preserve the marine environment through the complete elimination of pollution by oil and other harmful substances and the minimization of accidental discharge of such substances