The world’s oceans, once thought vast and indestructible, are now showing alarming signs of decline. Recent research from the Potsdam Institute for Climate Impact Research reveals that Earth has ...

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 ...

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 ...