https://phys.org/news/2018-11-water-not-quite-everywhere.html > "Human mobility is a prominent feature of the geographic area of the WANA countries, 'pull' factors (such as the presence of rich countries, the commonality of language and culture, etc.) and 'push' factors (represented by persistent poverty, political and social instability leading to conflicts, environmental calamities, just to mention a few) have made the movements between and within the states, a phenomenon typical of the region," explains Venditto. He adds that migrants moving from Sub-Saharan Africa towards the Western European countries often stop in the nearer countries along the journey, creating what is now known as transit migration. This does lead to potential instability and conflicts in and among the countries affected. > Venditto concludes that ultimately, we must consider both environmental and climate effects with a broader perspective on how they might influence migration. This will require a multidisciplinary approach that can grasp the complexities and variables that drive or slow migration. Explore further: First study on climate change impact in Mediterranean