70.
The answer is: D
Explanation
The correct option is D: The control of transboundary movement of Hazardous waste and their disposal.
The Basel Convention is an international treaty that was designed to reduce the movements of hazardous waste between nations, and specifically to prevent transfer of hazardous waste from developed to less developed countries. The goal is to protect the environment and human health from the adverse effects of hazardous waste that is generated, managed and disposed of in the world community. The Basel Convention has 191 parties as of 2023.