How do algae blooms form?

MINNEAPOLIS — The temptation to enjoy our lakes before they freeze has people flocking to the water, but not without caution.

Some algae, like the blue-green variety, can be toxic to humans and pets.

So, how do algae blooms form? And how might we be part of the cause? Good Question.

WCCO's Jeff Wagner explains how you can help stop potentially toxic blooms.