There has been frequent occurrence of red tides in coastal waters around Korea. This not only causes damage to the fisheries industry but also affects the marine ecosystem.
The Southern Ocean, which surrounds the Antarctic continent, south of the Atlantic, Pacific and Indian Oceans, is a wild region that is difficult to explore.
Since the 1970s, researchers have observed a peculiar pattern in the Arctic: In the summer, Arctic eddies resemble their counterparts in other oceans, popping up throughout the water column.
As the plastic in our oceans breaks up into smaller and smaller bits without breaking down chemically, the resulting microplastics are becoming a serious ecological problem.