Did Gulf spill boost "Dead Zone"? (3:34)
From The Encyclopedia of Earth
Environmental impacts of oil spills (main)
Source: National Geographic
Did Gulf spill boost "Dead Zone"? (3:34)
October 25, 2010, 12:00 am
March 5, 2011, 11:43 am
Date of Video: Oct. 25, 2010
Microbes consuming oil from the Gulf of Mexico's BP spill deplete oxygen levels when they die, raising the threat of an expanded "dead zone," which endangers some marine life. Now scientists are using years of dead-zone data to determine whether the dangerous region grew after the spill.
Glossary
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