Every year, melting snow spill over the levies that separate the Yazoo River from the mighty Mississippi, and floods farmland. The Army Corps of Engineers wants to install a controversial 250 million dollar pump system to drain the wetlands. John Meagher, former director of Wetlands for the EPA, and Kent Parrish, who heads the pump project for the Army Corps in Vicksburg, Mississippi explain the controversy to Living on Earth.