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Sea moss, a centuries-old marine vegetable, is having its pedestal moment of popularity.
Green water is a sign of the possible presence of very toxic algae.
A microscopic marine alga is thriving in the North Atlantic to an extent that defies scientific predictions, suggesting swift environmental change as a result of carbon dioxide absorbed by the ocean.
Scientists are among the first to investigate using city wastewater as a feedstock for algae-based biofuels.
On Monday, cities in Ohio and Michigan lifted a three day restriction on drinking tap water. But experts say the threat of harmful algae blooms linked to the water contamination will remain in Lake Erie for years to come.
