http://www.newsweek.com/what-brown-tide-outbreak-red-1090429 > The annual outbreak of algae called a brown tide has begun off the coast of western Florida and scientists are hoping it doesn’t meet up with the red tide that they’re already facing. > The brown tide near Florida is made of Trichodesmium, a cyanobacterium, or blue-green algae. The bloom occurs every year in the Gulf of Mexico and has been known to extend so far that’s it’s visible from space.