Although recent declines in nitrate in the Illinois River are promising, increasing nitrate levels at other sites throughout the basin are a continuing cause for concern.
Nitrate levels in the Illinois River decreased by 21 percent between 2000 and 2010, marking the first time substantial, multi-ye...
These images show a stretch of the Mississippi River just south of Memphis, Tennessee. The top one was taken by a NASA satellite on August 8, 2012, and the bottom one by a different NASA satellite on August 14, 2011. See how there are huge patches of light tan along the river in the i...
Although recent declines in nitrate in the Illinois River are promising, increasing nitrate levels at other sites throughout the basin are a continuing cause for concern.
Nitrate levels in the Illinois River decreased by 21 percent between 2000 and 2010, marking the first time substantial, multi-ye...
