Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

Billions of years ago, our planet did not have the deep blue oceans we admire today. Instead, they were actually […] ...

But hundreds of millions of years ago, most of the ocean was literally green, more so than it is today. And it’s possible that color could eventually return to the world’s oceans. That’s ...

Prior research has shown that climate change has been heavily impacting green staghorn coral, which create shallow reefs—they are suffering from bleaching, which makes them more susceptible to ...