The general objective of this paper is to show how the establishment of a waste exchange contributes to sustainable development through environmental protection in a circular economy in Cameroon. To carry out this study we adopted a qualitative and quantitative approach. For the qualitative approach, we carried out semi-structured interviews aided by an interview guide and questionnaires with resource people likely to provide useful information on the management of a waste exchange in Cameroon for the collection of data that we supplemented with documentary analysis. These interviews were analyzed using N-Vivo data analysis software. 12. The main results obtained show on the one hand that the existing shortcomings in the current procedures for managing a national waste exchange in a circular economy in Cameroon constitute a major obstacle to the returns of the structures in charge of waste in Cameroon. On the other hand, awareness and popularization strategies in the management procedures of a national waste exchange in a circular economy improve the performance of structures in charge of waste in Cameroon, as well as training linked to typologies and categories. of waste in the procedures for managing a national waste exchange in a circular economy improve the performance of waste structures in Cameroon thus validating our research proposals. As for the quantitative approach, a questionnaire was designed and the data collected was measured in a descriptive and deductive manner using the estimation of an econometric model, in particular, the logistic regression model. From these analyses, it is found that variables such as belonging to an organization, having property rights and the distance from home to the plot of land positively influence decisions to adopt sustainable development methods. for a better implementation of a waste exchange. Two recommendations emerge from these results. First, we suggested to those responsible for waste management in Cameroon to further increase strategic environmental actions among the population. Secondly, to further increase an internal communication policy specific to the environment within the populations of Cameroon.
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