(AP) -- Floodwaters loaded with farm runoff are heading down the Mississippi River, and scientists fear the deluge will dramatically increase this summer's dead zone in the Gulf of Mexico, covering an area the size of Maryland.
(AP) -- Floodwaters loaded with farm runoff are heading down the Mississippi River, and scientists fear the deluge will dramatically increase this summer's dead zone in the Gulf of Mexico, covering an area the size of Maryland.