(20 Apr 2023) There's a low-tech remedy for the nitrate pollution affecting waterways in Iowa and elsewhere in the United States. Simple systems called bioreactors and streamside buffers help filter nitrates from water runoff before it can reach streams and rivers. (April 20)(AP Video:Teresa Crawford)

Subscribe for more Breaking News: http://smarturl.it/AssociatedPress
Website: https://apnews.com
Twitter: https://twitter.com/AP
Facebook: https://facebook.com/APNews
Instagram: https://www.instagram.com/APNews/
​

You can license this story through AP Archive: http://www.aparchive.com/metadata/youtube/7d721e1b3b4f4c3b91513044446cf676