Trends in Atmospheric Carbon Dioxide

Source/Author: NOAA
Subject: Carbon dioxide levels
Description: NOAA Time-lapse animation showing rising CO2 levels over time
Duration: 3:35
Comments: Shows both industrial rise and preindustrial levels back to 800 Kyr.
URL: http://www.esrl.noaa.gov/gmd/ccgg/trends/history.html

NOAA CO2 Trends Video Tutorial Screenshot