Is this happening because of global warming?
Someone will probably try to tell us that. But red tides have been documented in Florida since 1844. No doubt they extend back to antiquity. The story of The Exodus in the Bible includes a red tide in ancient Egypt.
Is this happening because of global warming?
Nah!
Trump’s fault!
University of Alabama was the Crimson Tide long before anybody uttered the term “global warming”. It has been around a long time.