Algae popping up in waterways again; why it happens, how to protect yourself, pets from toxins

AUSTIN (KXAN) -- Warmer weather in Central Texas usually means a few things: Bluebonnets start blooming, severe weather activity picks up, and algae pops up in waterways. If you're a fan of water-related activities, you should especially be aware of the latter of those Spring occurrences.While some algae contain toxins that are harmful to people, animals and the environment, not all algal blooms are toxic. A harmful algal bloom occurs in bodies of freshwater when Cyanobacteria, also called blue-