A new study shows that despite decades of effort to reduce nitrate pollution in the Mississippi River Basin, concentrations remain as high today as they were in the 1980s.
The U.S. Geological Survey conducted the study, which looked at nitrate levels at eight sites on the Mississippi, Iowa, Illinois, Missouri, and Ohio rivers.
USGS hydrologist and study lead Lori Sprague said the next step will be to figure out where the pollution is coming from.
The Saint Louis University School of Public Health is launching a study to look at the effects of urban air pollution on pregnant women in China.
SLU epidemiologist Zhengmin Qian says the research will track the pregnancies of 100,000 women in Wuhan, a city of nine million people in central China.
The Environmental Protection Agency is looking for possible water contamination in Southeastern Missouri, in the area affected by the Birds Point levee breach.
The U.S. Army Corps of Engineers blew up a Mississippi River levee at Birds Point on May 2 to protect upstream communities like Cairo, Ill.
The levee breach flooded 130,000 acres of Missouri farmland, including a confined animal feeding operation.
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