Warming Seas Bring New Terrors to South Korea's Shores The scorching heat of summer has brought an unwelcome surge in jellyfish and shark sightings to South Korea's beaches, threatening the country's coastal tourism industry.
As warming seas drive an increase in these marine predators, authorities are scrambling to install safety nets and issue warnings to protect beachgoers.
The rise of Nomura's jellyfish, one of the world's largest and most venomous species, is a symptom of a broader trend: the warming of global oceans.