Jul 24 - By Janet McConnaughey, Associated Press Writer
The Gulf of Mexico's "dead zone" — where there is too little oxygen in the water for anything to live — is less than half the size predicted earlier this year but also unusually severe, a scientist said Friday.
Jul 31 - By Michael J. Crumb, Associated Press Writer
Environmental groups in nine states have petitioned the federal government to set and enforce pollution standards in the Mississippi River basin and the Gulf of Mexico.
Jul 23 - By Janet McConnaughey, Associated Press Writer
The oxygen-starved "dead zone" that forms every summer in the Gulf of Mexico is a bit smaller than predicted this year because Hurricane Dolly stirred up the water, a scientist reported Monday.
Jun 20 - By Seth Borenstein, AP Science Writer
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.
Jun 9 - By Associated Press
Researchers predict a "dead zone" of oxygen-depleted waters off the Louisiana and Texas coasts could grow this summer to 10,084 square miles, making it the largest such expanse in at least 23 years.

Dec 17 - By Henry C. Jackson, Associated Press Writer
Because of rising demand for ethanol, American farmers are growing more corn than at any time since World War II. And sea life in the Gulf of Mexico is paying the price.
Jul 31 - By Michael Graczyk, Associated Press Writer
Fresh water pouring into the Gulf of Mexico after weeks of flooding in Texas has created an oxygen-depleted "dead zone" that threatens sea life, a researcher said Tuesday.
Jul 30 - By Jeff Barnard, Associated Press Writer
The return of oxygen-depleted water off the Oregon coast is a sign of a warming climate, which could have ill effect on populations of sea creatures, scientists said Monday.

Aug 6 - By Jeff Barnard, Associated Press Writer
Bottom fish and crabs washing up dead on Oregon beaches are being killed by a recurring "dead zone" of low-oxygen water that is larger than in previous years and may be triggered by global warming, scientists said.