CO2 History of Earth for Past 800,000 Years

This video produced by the National Oceanic and Atmospheric Association (NOAA) is astounding. It provides CO2 data from Antarctic Ice Cores and present day atmospheric measurements on the same graph with time in a time-lapsed state.
As you watch the video, you will notice it begins with CO2 concentrations rising in the last 100 years. You will notice seasonal fluctuations in CO2 in areas of the earth where vegetation growing season alternates with winter seasons.
However, you will also notice that CO2 concentrations in Antarctica have the least fluctuation, and steadily rise over time. This is why Antarctica is an excellent place to obtain current, reliable CO2 measurements giving us the best indicator of average CO2 in the Earth atmosphere.
As this amazing video progresses, it then moves back into Earth history, plotting the data derived from Antarctic ice cores. Adding the data in this way, we gain some perspective of the enormous difference between current CO2 concentrations (400 ppm in May 2013) to the past maximum CO2 concentration of 300 ppm for the past 800,000 years. This difference is staggering.
The sudden, recent rise in CO2 over just 200 years has huge implications in global warming from which we are just beginning to see, as the atmosphere is only beginning to adjust.
How can we possibly think that such a rapid rise in CO2 over such a short period of Earth history will not have staggering implications on Earth's climate?
We need to understand this and move away from energy produced from burning of fossil fuels before the Earth begins a runaway Greenhouse Effect which has occurred on other planets.
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Maddalena Environmental Inc.
Al Maddalena