Big Bend National Park and the Rio Grande Wild and Scenic River claim 245 miles of this renowned river. And while many of those miles wend their way through rugged and remote canyon country, sections of the river nevertheless are on the state of Texas’ list of impaired water bodies. The primary concern is high total dissolved solids (high salinity), but bacteria can be a problem in the very upper reach.
For months Republicans on the House Natural Resources Committee have claimed that environmental regulations are hampering border control in the Southwest. But a new study notes that "there are numerous examples" of how various federal agencies are working together on border control.