1. BlueGreen Water Technologies tackles algae blooms in planet-friendly way

Blue-green algal blooms are toxic bacteria that occur when a water ecosystem becomes contaminated and turns lakes and reservoirs into dead aquatic zones – very bad news for the surrounding communities that can no longer use them as a resource. Usually, these blooms are treated with large amounts of chemicals that aren’t so great for the environment, but Israeli startup BlueGreen Water Technologies has devised a way to treat them with nano-covered pellets that release far less harmful toxins into the water in a more effective manner.