The sprawling U.S. water system is central to the nation’s economy, but chronic underinvestment, increasing demand, and the consequences of climate change have revealed the system’s weaknesses.  

For more than two decades, China has developed close economic and security ties with many Latin American countries, including Brazil and Venezuela. But Beijing’s growing sway in the region has raised…

Stalemate over a trade deal with the European Union has left Mercosur on life support. Its revival depends on spurring greater intraregional trade.