Sharks and Climate change
Oct 8 2021 BBC
No, it is not a new disaster movie idea.
Sharks can really help in fighting climate change. Dugongs, or sea cows, eat a lot of seagrass, which is bad, since seagrass stores a lot of CO2. Sharks eat dugongs, so there will be more seagrass, and a lot of CO2 stored, in the ocean.