Mechanical harvesters cut sugar cane on U.S. Sugar Corp. land in Clewiston, Fla., in 2008, the same year the state struck a deal to buy most of the company's Everglades holdings.
Joe Raedle/Getty Images
Biologists Laura Herren and Brian Lapointe bag red sea grass at Shorty's Pocket, a site in the Indian River lagoon. Manatees have died from eating the toxic macro algae.
Courtesy Brian Cousin/FAU Harbor Branch