News tagged with marine organisms

Unprecedented, man-made trends in ocean's acidity

Recent carbon dioxide emissions have pushed the level of seawater acidity far above the range of the natural variability that existed for thousands of years, affecting the calcification rates of shell-forming ...

Jan 22, 2012
4 / 5 (20) 29 | with audio podcast

Scientists sound alarm over ocean acidification

Ocean acidification has risen by a quarter since pre-industrial times as a result of rising carbon emissions, casting a shadow over the seas as a future source of food, scientists warned on Wednesday.

Oct 08, 2014
3.7 / 5 (19) 1

Major changes needed for coral reef survival

To prevent coral reefs around the world from dying off, deep cuts in carbon dioxide emissions are required, says a new study from Carnegie's Katharine Ricke and Ken Caldeira. They find that all existing coral ...

Jun 28, 2013
4.2 / 5 (15) 17 | with audio podcast