Bianca Fortis / Undark
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![Satellite view of a phosphogypsum stack in northern Florida.](https://www.popsci.com/wp-content/uploads/2022/04/14/Screen-Shot-2022-04-14-at-10.18.33-AM.png?w=600)
Environment
How environmentalists are battling fertilizer companies behind Florida’s toxic waste mountains How environmentalists are battling fertilizer companies behind Florida’s toxic waste mountains
By Bianca Fortis / Undark
April 14, 2022