This study investigates the dynamics of human capital in borderlands, focusing on the case of the Minho River border between Spain and Portugal. We examine how this capital influences company sales in these culturally and economically intertwined regions. The problem is critical due to the...

Water scarcity is an important threat to food security in the Euphrates-Tigris river. Water scarcity is a huge worldwide problem that results from the rapid increase in water demand, which exceeds the amount of available water. The most significant problems currently affecting countries are food...