Photo of the Day
a toxic algae bloom on Lake Erie, Ohio
October 9, 2013
Algae Bloom, Ohio
This Month in Photo of the Day: The Power of Photography
Fertilizer runoff causes toxic algal blooms. This one covered a third of Lake Erie in 2011.
See more pictures from the May 2013 feature story "Fertilized World."
See pictures of Life in Color: Green »
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