The Story Behind TIME’s New Optical Illusion Climate Change Cover

Time has released more than 5,000 covers since our founding almost a century ago. The new issue’s is the first one where the viewer’s eyes create the image.

In the run-up to the COP27 climate conference—the U.N. meeting at which global leaders will negotiate the next steps toward managing that crisis—we sought a cover image that could speak to the intensity of the current climate situation. So we turned the cover (or rather, covers) over to one of the world’s most prominent contemporary artists, Olafur Eliasson.

Eliasson creates sculptures and large-scale installations that employ elemental materials such as light, water, and air to enhance the viewer’s experience of the ordinary. To accomplish the effect on TIME’s cover, the Icelandic-Danish artist used a technique called afterimaging. Following the instructions on the page—staring at the green heart for 12 seconds and then flipping to the next page—allows your eye to “re-imagine” our overheated planet in the greens and blues that are the colors of a healthy earth.

Read more at TIME Magazine.