Last year, researchers found the largest growth in blue-green algae in recent history. They say the smoke from the Caldor Fire is to blame. "Based on what we saw last year, we are expecting this ...

Despite its name, this algae can be blue, green, brown or red in color. “If the water appears suspicious or there is decaying algae on the shore, avoid contact and keep dogs away,” the KDHE ...

Blue-green algae, also known as harmful algal blooms, can look like foam, paint, or scum on the water and appear in shades of blue, green, brown or red.The toxins they produce can be dangerous if ...

If global warming persists, blue lakes worldwide are at risk of turning green-brown, according to a new study which presents the a global inventory of lake color. Shifts in lake water color can ...