Mother Nature Network: A lot of tourists head to Florida's sparkling, blue beaches for vacation. In fact, Florida is the top travel destination in the world with a record 105 million tourists visiting the state in 2015, according to Visit Florida, the official Florida tourism industry marketing corporation.
But this summer, many tourists are being greeted by thick layers of green rancid sludge on the water. These are blooms of blue-green algae, technically cyanobacteria, that have affected the water for miles along...