The ocean is darkening.
Researchers say more than a fifth of the planet’s ocean — which makes up 70 percent of the surface of the Earth — has been subject to the darkening process over the course of the past two decades.
The ocean is darkening.
Researchers say more than a fifth of the planet’s ocean — which makes up 70 percent of the surface of the Earth — has been subject to the darkening process over the course of the past two decades.