Texas farmers struggle as Mexico and U.S. wrestle with water from the Rio Grande treaty

Chris Bell stands near the edge of the Rio Grande in Presidio, Texas. The young farmer is looking to grow alfalfa and turfgrass and help return a once thriving agricultural industry to the region.

Recently, Mexico began sending more water to the U.S. to uphold its end of a nearly 80-year-old treaty that spells out how two countries share water. But farmers and water experts say the new agreement won't be enough.

(Image credit: Carlos Morales.)