Paiva Castro Dam, in Mairiporã

Brazil on Verge of Violent Regional Wars Over Water Rights – a Sign of Global Trends

The two largest cities in the South American powerhouse, Rio de Janeiro and Sao Paulo, are currently fighting over rights to a water source that sits between them. Rio de Janeiro has long relied on the Jaguari reservoir to supply its own citizens, but now Sao Paulo wants in on the action.