Topic(s): Greenhouse Effect, Greenhouse Gases, Greenhouse Gas Emissions, Measurements and Observations, Climate Data
Grade Level: Middle (6-8), High School (9-12), College Lower (13-14)
Two short, narrated animations about carbon dioxide and Earth's temperature are presented on this webpage. The first animation shows the rise in atmospheric CO2 levels, human carbon emissions, and global temperature rise of the past 1,000 years; the second shows changes in the level of CO2 from 800,000 years ago to the present.