Teams searching for cheap way to stop algae blooms, with $10 million prize on the line

At this lock, which connects Lake Okeechobee with the St. Lucie River, everything is coated in green. Steve Davis, a senior ecologist with the Everglades Foundation, was surprised.
At this lock, which connects Lake Okeechobee with the St. Lucie River, everything is coated in green. Steve Davis, a senior ecologist with the Everglades Foundation, was surprised.