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 ...

“The signs of the ocean in distress are all around us”, said Peter Thomson, Special Envoy of the Secretary-General of the United Nations for the Ocean, at the conference in Nice, France last week.

MAYOTTE, INDIAN OCEAN - NOVEMBER 2017: Diver from the Mayotte Marine Natural Park carry out a survey on the reef, called REEFCHECK, on November 27, 2017, Mayotte, Comoros archipelago, Indian Ocean.

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 ...

New research from the University of St Andrews has found that some coastal areas will become much more acidic than previously anticipated. With added atmospheric CO 2, these areas are acidifying more ...

Ocean acidification is a consequence of increasing carbon dioxide (CO 2) emissions, a greenhouse gas driving climate change. The ocean absorbs around one third of all human induced CO 2, causing a ...

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 ...

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 ...

Researchers and hatcheries are exploring new ways to protect shellfish in the Pacific Northwest, although Trump budget cuts may thwart their efforts. Researchers and hatcheries are exploring new ways ...

Ocean acidification will likely almost triple by the end of the century -- a drastic environmental change that could impact important marine species like fleshy seaweeds, algae that grow vertically ...

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 ...

The ocean’s chemistry is changing at an unprecedented rate. By the end of this century the ocean is expected to be 150% more acidic than it is now. Acidification is threatening marine life. It’s ...