![Map shows how fertilizer is choking the Great Lakes](https://i.comentr.com/9mNf44jSnpweo9Ci6caO164kyZE_tam.jpg)
Map shows how fertilizer is choking the Great Lakes
Map shows how fertilizer is choking the Great Lakes
Mar 24, 2021, 4:17am UTC
https://www.nationalgeographic.com/magazine/graphics/too-much-fertilizer-is-harming-the-great-lakes