Watching Earth breathe: The seasonal vegetation cycle and carbon dioxide
Carbon dioxide is a naturally occurring gas in our atmosphere. View the seasonal cycle of carbon dioxide and the increase of carbon dioxide every year due to human activity.
Embedded video from NASA Jet Propulsion Laboratory California Institute of Technology
Commenting rules and guidelines
We value the thoughts and opinions of our readers and welcome healthy discussions on our website. In order to maintain a respectful and positive community, we ask that all commenters follow these rules.