Climate change: Blue planet will get even bluer as Earth warms

[Judi Lynn]

By Matt McGrath
Environment correspondent
4 February 2019

They found that increased heat will change the mixture of phytoplankton or tiny marine organisms in the seas, which absorb and reflect light.

Scientists say there will be less of them in the waters in the decades to come.

This will drive a colour change in more than 50% of the world's seas by 2100.

. . .

As well as turning sunlight into chemical energy, and consuming carbon dioxide, they are the bottom rung on the marine food chain.

More:
https://www.bbc.com/news/science-environment-47092201