News tagged with ocean levels

Plunge in CO2 put the freeze on Antarctica

Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solv ...

Dec 01, 2011
5 / 5 (2) 24 | with audio podcast

Greenhouse gases soar; no signs warming is slowed

(AP) -- Heat-trapping greenhouse gases in the atmosphere are building up so high, so fast, that some scientists now think the world can no longer limit global warming to the level world leaders have agreed upon as safe.

Nov 21, 2011
4.4 / 5 (13) 61

Shells slim down with CO2

Marine algae that turn carbon dissolved in seawater into shell will produce thinner and thinner shells as carbon dioxide levels increase.

Aug 09, 2011
4.2 / 5 (6) 0 | with audio podcast