Ocean “Dead Zones” Increasing: 400 Oxygen-Deprived Areas Now Exist

mississippi delta gulf of mexico satellite photo
image: NASA

Every year the topic of the dead zone in the Gulf of Mexico seems to pop up on TreeHugger—most recently in a report which links expanded corn production to the increasing size of the zone. New research shows that it’s not just in the Gulf that ocean dead zones are expanding but throughout the world.

Dead Zones Have Doubled Every 10 Years Since 1960s
According to the study, the number of marine dead zones—areas which are periodically or permanently starved of oxygen—has doubled every 10 years since the 1960s, with those...