It is a common mistake for folks to think shallow ponds are green because algae is covering the surface of the water. While algae certainly is present, not all green plants near the surface are algae.

Erin is a co-host of "The 4" on WCCO and a two-time Emmy Award-winning reporter passionate about experiential storytelling and taking viewers on an adventure - be it inside a bear den, at the bottom ...

Shawnee County has a duckweed problem. The small leafy plant is often confused with algae as it covers the surfaces of ponds, lagoons and other still bodies of water. Some say it isn't a problem but ...

A pond covered by duckweed. New research from the University of Minnesota finds that ponds — especially those covered by duckweed — can be a significant contributor of greenhouse gases into the ...