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Search results for ocean acidification

Plants & Animals Jul 9, 2025

Researchers find crab and clam resilience etched into shells

A new study reveals a bright spot for shellfish populations in the northeast Pacific Ocean. Combining paleontological tools and archaeological data with conservation research, the paper finds that, for the past 3,000 years, ...

Environment Jun 25, 2025

High-resolution mapping reveals ocean carbon sink detail

As atmospheric carbon dioxide levels continue to rise, the ocean plays a crucial role in helping to reduce the full impact of human-driven climate change by absorbing roughly a quarter of the carbon dioxide emitted by human ...

Environment Jun 24, 2025

Ocean crisis demands a new kind of science, say researchers

The ocean is a source of life and resilience—for people and cultures, for livelihoods, for climate stability.

Environment Jun 14, 2025

Nations advance ocean protection, vow to defend seabed

A global oceans summit wrapped up Friday with world leaders taking major steps toward marine protection and vowing a showdown when nations meet to negotiate rules for deep-sea mining next month.

Earth Sciences Jun 13, 2025

Ocean acidification may have crossed 'planetary boundary' five years ago

A team of planetary scientists, ecologists, and marine biologists affiliated with several institutions in the U.S. and one in the U.K., has found evidence suggesting that parts of the world's oceans have already passed what ...

Evolution Jun 10, 2025

Ancient fossils show how the last mass extinction forever scrambled the ocean's biodiversity

About 66 million years ago—perhaps on a downright unlucky day in May—an asteroid smashed into our planet.

Environment Jun 5, 2025

Annual carbon dioxide peak passes another milestone

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA's Mauna Loa Observatory on Hawaii, scientists from NOAA and Scripps Institution of Oceanography ...

Environment Jun 4, 2025

From sovereignty to sustainability: A brief history of ocean governance

The United Nations Ocean Conference (UNOC 3) will open in Nice, France, on June 9, 2025. It is the third conference of its kind, following events in New York in 2017 and Lisbon in 2022. Co-hosted by France and Costa Rica, ...

Earth Sciences Jun 3, 2025

Simulation shows how declines in coral reef calcification could affect future ocean carbon sink capabilities

A team of meteorologists, Earth scientists and oceanographers at Sorbonne Université, working with one colleague from Université Paris-Saclay and another from Université Brest, all in France, has developed a simulation that ...

Ecology Jun 2, 2025

Will surging sea levels kill the Great Barrier Reef? Ancient coral fossils may hold the answer

In the 20th century, global sea level rose faster than at any other time in the past 3,000 years. It's expected to rise even further by 2100, as human-induced climate change intensifies. In fact, some studies predict a rise ...

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