The 100-Year-Old Math Miscalculation That Broke the Colorado River

About 40 million people rely on the Colorado River. But an extended drought and a century-old legal framework have pushed the system to a breaking point. Now, a federal plan threatening deep cuts has ignited a political and legal war across the Southwest. Watch Arizona State University water law professor Rhett Larson break down where the government’s framework falls short, why easy fixes won’t solve the issue, and what structural overhauls are needed to protect a crucial regional economy.