How does rising atmospheric CO2 affect marine organisms?

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Antarctic Sea-Ice Trends
Hanna, E. 2001. Anomalous peak in Antarctic sea-ice area, winter 1998, coincident with ENSO. Geophysical Research Letters 28: 1595-1598.

What was done
The author presents the results of an updated satellite analysis of Antarctic sea-ice cover (extent and area) based on Special Sensor Microwave/Imager data for the period October 1987 - September 1999.

What was learned
In the words of the author, the serial sea-ice data depict "an ongoing slight but significant hemispheric increase of 3.7(0.3)% in extent and 6.6(1.5)% in area."

What it means
In spite of all the hoopla that is made about icebergs big and small that break free from Antarctica in what climate alarmists claim is a consequence of unprecedented global warming, sea-ice around the frigid continent just keeps on growing. But how can that be? Well, it's probably because of what the temperature there has been doing. As the author states, it's entirely "consistent with cooling over Antarctica from 1979-98." And that, of course is observed real-world cooling, not some model prediction.