RESIDENTS are alarmed an ugly brown growth covering the entire Marsden Park pond in Park Central could be sewage or a weed. The showpiece pond in Park Central has been smothered with a thick layer of ...

For awhile, it looked as if water in the Cub Run — and even the Occoquan — might be in jeopardy from a strange, red plant that suddenly covered a pond in Centreville. Named azolla caroliniana the ...

Scientists have been campaigning to turn the fast-growing Azolla into a food of the future. Others envision it becoming both a sustainable biofuel and a fertilizer that captures carbon. What is Azolla ...

Like a priceless painting, the beautiful blue and green swirl in a lake or pond presents a look-don’t-touch kind of situation. It’s the work of proliferating cyanobacteria, also known as blue-green ...

A special programme on plants and their pollinators, poisons and pests Azolla – a tiny ancient fern-like pond weed A tiny ancient fern-like pond weed that could have changed the fate of the planet 1/2 ...