And we know this HOW David? Papyrus scrolls with CO2 records? Cuneiform rock
carvings describing changing CO2 levels? Monastic lab books full of CO2
experiments? Do you even KNOW how to determine or quantify atmospheric CO2
levels?

bill


"David" wrote in message
...
On Sun, 15 May 2005 15:05:24 -0400, dxAce
wrote:
Highest CO2 concentrations in hundreds of thousands of years.
Unprecedented.