Climate change could overexpose rare underwater "marimo" algae balls to sunlight, killing them off, according to a new study at the University of Tokyo. Marimo are living fluffy balls of green algae.

In the winter months, at the bottom of Lake Akan in Hokkaido, Japan, harmless underwater algae balls that can grow to be bigger than basketballs are protected from death by an ice shield on top of the ...

Rising lake water temperatures threaten the survival of marimo, unique algal balls found only in cold lakes. Researchers clarified that the warmer it gets, the more the inward decomposition outpaces ...

Freshwater carbon — CO 2 that has been absorbed and accumulated in fresh water areas like lakes and reservoirs — is receiving attention for its potential contributions to achieving a carbon neutral ...

Moss balls, lake balls, Cladophora balls, marimo: Whatever you call them, they’re strange — and they’re beautiful. These mysterious green orbs occupy cool lakes in the Northern Hemisphere in places ...