Every now and then, a green tide hits the coast of China, in contrast to "red tides", which might feature algae and dinoflagellates (which are also photosynthetic) carrying a nasty array of toxins.
This year the green tide is especially thick. "Green tides" just mean a lot of algae, likely caused by a combination of sun, winds, and nutrients. Where there's a lot more than expected, the algae may be growing rampant due to excess nutrients washing into the ocean from agricultural practices. China is notorious for overfertilizing its crops, exacerbating the problem.
Algae along miles of coast in China
YUCK. But also a potential biofuel feedstock; can't overlook that factlet.
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