The correct answer to the question, "Which international agreement aims to control the transboundary transit of hazardous wastes and their disposal?", is the Basel Convention.
The Basel Convention is an international treaty that was adopted on 22 March 1989 and came into effect on 5 May 1992. Its primary objective is to protect human health and the environment against the adverse effects of hazardous wastes. The convention controls the movement of hazardous wastes across international borders and aims to reduce the amount and toxicity of wastes generated.
To achieve its objectives, the Basel Convention requires member countries to:
By setting up a system of notification and consent, the Basel Convention ensures countries are informed and agree to any import of hazardous waste, thus preventing unexpected disposal and possible environmental damage.