Stay out of the water: A toxic algae slideshow

As summer comes to a close, as many as 20 states have reported green slime caused by industrial agriculture in their lakes and waterways. As these photos illustrate, it's a problem that has become hard to ignore.

Green slime 21 — Algae keeps spreading. To learn more, follow #greenslime on Twitter.

Yesterday, we reported on the problem of toxic green algae in America’s lakes. Today, we’re following up with images from around the country. Want to learn more? Join Food Editor Twilight Greenaway on Thursday, Sept. 20, for a live Twitter chat about toxic algae at 1:00 EST, with hashtag #greenslime. (Photos and text compiled by Resource Media.)

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