A new study shows that the Southern Ocean releases far more carbon dioxide in winter than once thought. By combining laser ...

As the Arctic Ocean loses its sea ice due to climate change, sunlight penetrates deeper into the water and encourages the ...

Scientists reveal the first global count of living carbon in seagrass meadows, showing these ocean plants are powerful ...

Companies have still drawn down only enough CO2 to cancel out a few hours of US emissions. Here’s what it will take to really scale up the sector. MIT Technology Review’s What’s Next series looks ...

The world’s oceans are steadily losing their characteristic greenness as a result of global heating, according to a new study that warns the planet’s ability to absorb carbon dioxide may be weakening.

Surging emissions from wildfires may have been behind the increase, which was the largest since modern measurements began more than half a century ago. By Raymond Zhong and Sachi Kitajima Mulkey The ...

Our oceans are the world’s biggest carbon sink. They’ve absorbed about one-third of all human-induced carbon dioxide emissions, and play a crucial role in stabilizing the planet’s climate. That’s ...

Not-so-fun fact: our oceans hold 150 times more carbon dioxide than the Earth's atmosphere. Adding to that causes ocean acidification, which can disrupt marine food chains and reduce biodiversity.

Earth's climate has fluctuated between cold and warm periods for millions of years. During the so-called "lukewarm interglacials"—warm phases between 800,000 and 430,000 years ago—atmospheric CO 2 ...

The planet would be a whole lot hotter if it weren’t for fecal pellets. Across the world’s oceans, tiny organisms known as phytoplankton harvest the sun’s energy, gobbling up carbon dioxide and ...

As the daughter of firefighters in Southern California, Gabby Kitch grew up with a strong sense of how public service can help preserve and protect the world — with water. In her career she just opted ...

On July 1, 2025, the Deep Random Survey remote telescope in Chile, part of the ATLAS (Asteroid Terrestrial-impact Last Alert System) project, spotted a new comet. But it wasn't just any old comet: ...