Each circular graph is proportional in area to the total ice mass loss measured from each ice shelf, in gigatons per year, with the proportion of ice lost due to the calving of icebergs denoted by hatched lines and the proportion due to basal melting denoted in black. (spaceref.com)
The strategy could cut atmospheric carbon dioxide by 2.92 gigatons by 2050 and... (theenergymix.com)
In one of the five studies, Junjie Liu of the NASA Jet Propulsion Laboratory and colleagues report a major increase in carbon release occurring in the tropics; about 2.5 gigatons more carbon was released from land into the atmosphere in 2015, when El Niño occurred, than in 2011. (aaas.org)