chemical runoff

Seven things you should know about blue-green algae

Seven things you should know about blue-green algae

It happens every summer: blue-green algae bloom into vast blankets of colourful scum in lakes, disrupting ecosystems and potentially exposing people to toxins. Blue-green algae, also known as cyanobacteria, act as single-celled microscopic plants fuelled by high temperatures and nutrients often found in chemical runoff.