Plants typically absorb carbon dioxide and release oxygen as part of photosynthesis. Most people associate greenery with reduced carbon levels, and in the case of Minnesota's trees, that is certainly ...

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 ...

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.

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 ...

Under the right conditions, duckweed essentially farms itself. Wastewater, ponds, puddles, swamps—you name it. If there's enough sunlight and carbon dioxide, the aquatic plant can grow freely. But ...