In the 21st century, the Earth’s oceans are growing warmer and more acidic. This change is happening slowly over the long-term, but it can also cause short-term, local spikes. These events are like ...

Wei-Jun Cai, an expert in marine chemistry at the University of Delaware, is sounding new alarm bells about the changing chemistry of the western region of the Arctic Ocean, where he and an ...

A new assessment finds that the world’s oceans crossed the safe threshold for acidification in 2020, breaching a key planetary boundary and posing serious threats to marine life. Ocean acidification ...

An international research team develops a rubric for governments and policymaking bodies to evaluate preparedness for ocean acidification. In a paper published today in the journal Environmental ...

At Whiskey Creek Shellfish Hatchery on the Oregon coast, baby oysters are hatched, raised, then sold to oyster farms throughout the Pacific Northwest. “Our pumps pump in about 200 gallons a minute of ...

Scientists have known for decades that soaring atmospheric carbon dioxide emissions are causing changes in ocean chemistry, threatening marine life and ecosystems. In June 2025, a study found that ...

Ocean acidification is the lowering of seawater pH over time, as the ocean absorbs carbon dioxide (CO 2) from the atmosphere. The pH scale is used to measure how acidic or basic a water-based solution ...

The oceans have absorbed a significant portion of all anthropogenic (CO 2) emissions (approximately a third of the CO 2 emitted from fossil fuel emissions, cement production and deforestation; Sabine ...

New research has shown that by injecting an alkalinizing agent into the ocean along the length of the Great Barrier Reef, it would be possible, at the present rate of anthropogenic carbon emissions, ...

While the livelihoods of more than three billion people depend on oceanic resources, the ocean also provides a large fraction of the oxygen we breathe and absorbs greenhouse gases, mitigating their ...