Earth's oceans stored more heat in 2025 than ever recorded, fueling sea level rise, extreme weather, and growing climate ...

More than one-fifth of the global ocean—an area spanning more than 75 million sq km—has been the subject of ocean darkening over the past two decades, according to new research. Ocean darkening occurs ...

A new study published in Global Change Biology reveals that over 20% of the world’s oceans have grown significantly darker between 2003 and 2022. This widespread phenomenon, driven by a range of ...

A world map showing changes in global photic zones between 2003 and 2022. Reds indicate regions where the oceans are getting darker, while blues indicate regions where oceans are getting lighter and ...

More than one-fifth of the global ocean – an area spanning more than 75million sq km – has been the subject of ocean darkening over the past two decades, according to new research. Ocean darkening ...

The global ocean heat content increased yet again in 2025, further raising the risk of catastrophic storms, sea-level rise, and coral bleaching. Reading time 3 minutes It would take roughly 365 ...

The world’s oceans just keep getting hotter. International analysis published in the journal Advances in Atmospheric Sciences finds that the oceans stored more heat in 2025 than in any year since ...

Mongabay has launched a dedicated Oceans Desk composed of a global team of journalists specialized in reporting on oceans, fisheries and marine conservation. The desk, which includes editors, ...