Earth's oceans are changing due to rising levels of carbon dioxide in the atmosphere. Museum palaeontologist Prof Richard Twitchett explains, 'Ocean acidification is a change in the pH of seawater, ...

Bubbles of carbon dioxide streamed up from the seafloor ... has called ocean acidification global warming's "equally evil twin." The pH scale, which measures acidity in terms of the concentration ...

Researchers have found a lower-cost way to capture carbon dioxide from the air by using humidity changes and more affordable materials. Most direct air capture methods using moisture rely on expensive ...