Stemming green tides in the Yellow Sea.

The article discusses the recurring issue of green tides in China's Yellow Sea, primarily caused by the rapid growth of the alga Ulva prolifera, which has spread across the Shandong Peninsula and impacted marine biodiversity, and local economies. It explains how nutrient pollution, aquaculture practices, and favorable oceanographic conditions contribute to these blooms and how current management strategies, such as large-scale algae removal and biogas production, offer only temporary relief.