Research: Pollution from Food Production

Start with this 2007 CQ Researcher report on modern farming.
Weeks, Jennifer. "Factory Farms." CQ Researcher, 12 Jan. 2007, pp. 25-48, library.cqpress.com/cqresearcher/cqresrre2007011200.

Look up this article on Ebscohost as well: it has similar information but is shorter.
Walsh, Bryan, and Rebecca Kaplan. “America’s Food Crisis and How to Fix It. (Cover Story).” Time, vol. 174, no. 8, Aug. 2009, p. 30. EBSCOhost, libproxy.pcc.edu/login?qurl=http%3a%2f%2fsearch.ebscohost.com%2flogin.aspx%3fdirect%3dtrue%26db%3df5h%26AN%3d43886328%26site%3dehost-live

The Sierra Club is a public-interest group that works for a better envronment and more wilderness. Here is their report on CAFO and how they affect the environment. There is a video and artice here.
https://www.sierraclub.org/sierra/2017-2-march-april/feature/cafo-industrys-impact-environment-and-public-health

This is a different Sierra Cub page which may be useful.
https://www.sierraclub.org/michigan/why-are-cafos-bad

E. coli bacteria is an especially dangerous contaminant from farms.
https://www.wired.com/story/the-science-is-clear-dirty-farm-water-is-making-us-sick/

If you research the ways herbicides used in farming are affecting both us and the environment, you must follow the author Tom Philpott. Here are two of his articles.
https://www.motherjones.com/food/2015/03/monsanto-herbicide-cause-cancer/
https://www.motherjones.com/politics/2011/07/monsanto-superweeds-roundup/

This research article focuses on meat farming and greenhouse gases (which lead to climate change). It is fairly short and easy to understand; the data is clear.
MARICA, Elena, and M. T. CORCHEŞ. “Study of the Evolution of Greenhouse Gas Emissions at the National Level from the Cattle and Pig Farming Sector.” Research Journal of Agricultural Science, vol. 49, no. 4, Dec. 2017, pp. 180–188. EBSCOhost, libproxy.pcc.edu/login?qurl=http%3a%2f%2fsearch.ebscohost.com%2flogin.aspx%3fdirect%3dtrue%26db%3daph%26AN%3d127056245%26site%3dehost-live.