The resulting animated image is an incredible, organic look at how the ice and snow over the Northern Hemisphere advance and retreat from month to month, creating a heartbeat for the planet. The other projections from his page let you see how it hits the rest of the planet too, including the minimal snow changes in the Southern Hemisphere, and the shifting green belts around the equator.
Nelson talked to Fast Co Design about his own thoughts on the project, especially having grown up in Michigan, a state that annually battles extreme cold and intense snow. But for every one of us, this animation gives an incredible, organic look at the beating climatic heart of the planet.