President Trump on Thursday cited the growing water debt that Mexico owes the United States under a treaty governing the use of the countries’ shared rivers.

I can only plant half of my farm because I don’t have the irrigation water that’s owed to me,” said Brian Jones, a fourth-generation farmer in Weslaco, Texas, who grows c

President Trump has threatened to slap new tariffs on Mexico for failing to deliver water under a decades-old treaty. But climate change has decimated river flows.