Because many countries recognised the urgent need to keep the seas clean it was possible to arrive at the "International Convention for the Prevention of Pollution of the Sea by Ships" in 1973.
Kuba amazwe amaninzi ayibonile imfuno yokugcina amalwandle ecocekile bekungenzeka ukuba ufike kwinkomfa kazwelonke yokuthintela ungcoliseko lolwandle ngeenqanawa ngomnyaka ka 1973