[CARACAS] Venezuela’s Lake Maracaibo is facing the world’s biggest known invasion of duckweed, an aquatic plant. And while scientists agree over potential causes, there is widespread disagreement, ...

A group of Manitoba scientists is looking into whether a tiny native water plant could help reduce toxic algae blooms on Lake Winnipeg. As the City of Winnipeg grapples with the massive task of ...

Take a look at your local pond or stream. Has the surface magically turned green over the past month? That green carpet is probably duckweed, a small, free-floating aquatic plant, a tiny leaf or two ...