We know that human activity is increasing the amount of carbon dioxide in the atmosphere to record levels, limiting the radiation of heat into space, and Because they're invisible, the ebb and flow of carbon emissions can be hard to wrap your head around – but not with new visualizations released by NASA's science visualization studio. These stunning videos show exactly where most of this critical greenhouse gas is being released and how it changes over the course of a year. (DAVID NIELD)

contributes to the overall warming of the planet.