Sometimes when we think of water resources, we assume that a particular state has control over its own supplies such as groundwater and river diversions. But what if a state must share water resources with other states and even other countries? In a time of severe drought as the Southwestern United States is currently facing, how states and nations share limited water resources becomes more complicated and contentious. In this two-part series, I will discuss how treaties and Texas’s negotiations between New Mexico and the country of Mexico have strained both relations and the limits of a scarce resource that each party needs. Let’s first discuss the challenges between Mexico and Texas. Continue reading →