[refurb]

There is no 100 year old ice out there"

Where are we getting the air samples to determine what CO2 levels from? I thought it was from bubbles trapped in ice that is 100+ years old.

[jimworm]

The Antarctic, Greenland, other glaciers.

[001sky]

Great point. Glaciers on land are diffrent. There are also some ancient/long-lived ice formations in the south pole (also land/locked). I believe these are more like frozen freshwater lakes than glaciers (mobile, compacted snow etc).

[jmpe]

You misquoted me, please re-read it.