Not only affecting the shrinking of the river systems, but also degrading the quality of the water. I live in Iowa, home of 3.15 million people and 24 million

Not only affecting the shrinking of the river systems, but also degrading the quality of the water. I live in Iowa, home of 3.15 million people and 24 million pigs. Tile in the fields and a complete lack of buffer between fields and streams sends massive amounts of fertilizer into the waterways and ultimately down the Mississippi. ~85% of the land in the state is dedicated to farming in one way or another, and the amount of manure which can be spread per acre is based on crop production per acre formulas from the 1970's. Breeding work has increased corn yield by about 65%, allowing that much more manure to be spread. I recently found this podcast which talks about water issues around the state, produced by University of Iowa professors. https://podcasts.apple.com/us/podcast/we-all-want-clean-h2o/id1590059366 https://podcasts.apple.com/us/podcast/we-all-want-clean-h2o/...