It sounds beautiful, but the algal bloom known as Sea Sparkle that is turning Hong Kong water fluorescent blue is actually caused by farm pollution.
University of Georgia oceanographer Samantha Joye says that because the blooms are so toxic, they can be incredibly harmful to marine life and fisheries. "Those pictures are magnificent," she said. "It's just extremely unfortunate that the mysterious and majestic blue hue is created by a Noctiluca."
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