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 ...

Spirodela polyrhiza, the most ancient member of the duckweed family ... Duckweeds—tiny plants that float in ponds and lagoons ...

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.

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.