Climate Home: Icebergs that break off Antarctica could account for twice as much carbon dioxide stored in the Southern Ocean than previously believed, a study on Monday suggested.
The drifting blocks sustain far greater amounts of phytoplankton -- which remove CO2 through photosynthesis -- in their trail as they melt, satellite imagery revealed.
Icebergs at least 18 km (11.2 miles) in length were found to fertilise the ocean for hundreds of kilometres and up to a month after passing, and are now thought...