There two issues that we work on. They are nutrients and the Farm Bill. 

Nutrients

https://www.epa.gov/nutrientpollution

https://www.epa.gov/sites/default/files/2015-03/documents/2008_1_31_msbasin_sab_report_2007.pdf

https://www.circleofblue.org/2023/world/we-cant-sit-back-amid-polluted-water-and-climbing-cancer-rates-iowa-eyes-farm-chemicals/?mc_cid=c88fa83272&mc_eid=19bc36ebb9

Farm Bill

Anhydrous ammonia tanks. Image credit: University of Nebraska Lincoln