PORTLAND, Ore. (KOIN) — The once-mysterious green “scum” that was first reported to be floating through Portland on the Willamette River earlier is still lingering in the area. However, local experts ...
A dense coating of aquatic weeds has annoyed visitors for months. A pervasive bloom of aquatic weeds across the surface of Spring Lake that has bedeviled visitors for months may finally be on its way ...
An often-overlooked water plant that can double its biomass in two days, capture nitrogen from the air - making it a valuable green fertilizer - and be fed to poultry and livestock could serve as life ...
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