CBS This Morning – Massive dead zone in Gulf of MexicoLeslie Smith2018-04-02T19:44:25+00:00
CBS This Morning – Massive dead zone in Gulf of Mexico
The largest dead zone ever recorded in the U.S. has appeared in the Gulf of Mexico. It is primarily caused by fertilizer and sewage runoff that eventually forces marine life to leave — or suffocate and die. Jeff Glor reports.