What is that green slime on my lake?

The green slime is caused by Cyanobacteria. They are found almost everywhere on Earth, but now due to our actions that are warming the planet and altering water quality, they are blooming more frequently and poisoning our lakes and rivers in the process.

Causes and Cures for Green Aquarium Water

Lake Erie's Toxic Green Slime is Getting Worse With Climate Change - Inside Climate News

Part 1: How to remove algae and sludge/slime from your pond easily

Harmful Lake Erie algal blooms worsened by power plant pollution

Rivers Are Drowning in Toxic Sludge

How To Remove Algae From Your Pond Without Harming Fish

Common Types Of Pond Algae

Green slime algae on water likely from phosphate pollution, Quinta de Marim, Natural Park Ria Formosa, Algarve, Portugal Stock Photo - Alamy

Green Water -- Causes and Cures