The Pissy granite quarry of Ouagadougou in Burkina Faso exists since 2006, and it is a source of financial incomes for many poor families working there. The Problem-In-Context framework (PiC), lead the current study to understand better the quarry exploitation and structuration. Different motivations guide the quarry actors. Through those motivations, different solutions were suggested, mainly the shutdown of the quarry as the best way to decrease the impacts of the quarry exploitation on the environment, particularly regarding the air pollution and the loss of biodiversity in the area. The Pissy granite quarry is not recognized by the country's legislation and this study is presenting the site organization. They are three main actors on the site and the tertiary actors are the ones having more incomes comparing to the primary and secondary actors of the chain. There is a need to evaluate the shell life of the quarry if the shutdown is not the final option chosen by the country. This evaluation should be a way to restructure the field and to have more incomes from it. Many standards exist in the country to guide the quarries and mines exploitation but they do not have impact on the Pissy granite quarry because of its non-reorganization.

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As a Semi-arid country, Burkina Faso is highly vulnerable to climate-related disasters such as drought and flood. Analyzing drought signature is therefore a key factor in advocating climate change adaptation at the local scale. In this study, Spatiotemporal trends of drought were conducted for the period 1960–2021 within Massili Basin using the standardized precipitation and evapotranspiration index (SPEI) package in R. The non-parametric method (Mann–Kendall) was then used to test for a monotonic trend, whereas the magnitude was estimated using Sen's method. Accordingly, the result revealed that during the period 1960-1979, the mean value of SPEI varies from 0.06 to 0.71; over 1980 to 2009, the mean value of the SPEI varies from -0.08 to -0.88 and for the last decades (2010 to 2021), the mean value of the SPEI ranges from 0.05 to 0.75. Normal to middle wet conditions is thus observed over the periods 1960-1979 and 2010-2021 while the period (1980-2009) depicts a middle drought condition. The Mann-Kendall test results show a decreasing trend of SPEI-3 and SPEI-24 with a Z value of - 0.784 and -0.530 respectively. A slightly increasing trend is observed for SPEI-6 and SPEI-12 with Z ranging from 0.598 to 1.917 respectively. The magnitude of the decrease is indicated by the sens’ slope value, which is -0.0014 for SPEI-3 and -0.00010 for SPEI-24 while the magnitude of the increase ranges from 0.00011 for SPEI-6 to 0.00037 for SPEI-12. This study highlights the importance of examining past drought features to obtain essential information to assist in designing and implementing efficient water resources management strategies over the Massili Basin.

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Aims: Impact of the real estate companies’ boom on the environment in the central region of Burkina Faso (Ouagadougou) and solutions to resorb the negative effects of the activity. Study Design: The present study was run via the Problem-In-Context framework along with the Hydro-Quebec environmental assessment design. Place and Duration of Study: The study was conducted in Burkina Faso, for the Environment department of Fada N’Gourma University for twelve months. Methodology: The environmental impact of the project was assessed according to Hydro-Quebec group method by prioritizing the inventory items regarding to their sensitivity. Results: Burkina Faso revised Law No. 034 on agrarian and land reorganization (RAF) on July 2, 2012. This revision allowed the population to be landowners, generating a boom in Real Estate development with the sale of big surfaces of lands by landowners. This boom is not without impacts on the environment. It leads to the destruction of forests, loss of biodiversity, loss of agricultural production areas, threats to green spaces conservation areas, anarchic occupation of lands, etc.  by real estate companies and the non-ecological urbanization of the city of Ouagadougou. The anthropogenic and climatic constraints with which Burkina Faso is confronted generate strong pressure on the existing natural resources: soil, fauna, flora, water, etc. Conclusion: The Burkinabe capital is about to engulf all the surrounding municipalities of Komki Ipala, Komsilga, Koubri, Loumbila, Pabré, Saaba and Tanghin-Dassouri. The main ways to reduce the environmental impacts of this real estate boom are the registration of agricultural production and conservation areas and the revision of the RAF in order to remove the right of land owning to the population.