Why Gigi Hadid, Kendall Jenner, and Karlie Kloss Just Walked Across Your Instagram Feed

It won't be long before you see #ClimateCatwalk [1] videos sprouting up on the feeds of all your favorite It girls [2]. But what's the meaning behind the initiative?

As the United Nations Climate Change Conference begins in France, Amber and Giovanni Testino have encouraged the fashion industry [3] to show support by posting a short video to Instagram. After a canceled rally on Nov. 29 due to the Paris attacks, models, famed photographers, designers, and editors are marching on — only, on social media.

Scroll to see the smart, creative ways people like Kendall Jenner, Gigi Hadid, Karlie Kloss, and Lily Aldridge are taking a stand to raise awareness about the future, and keep an eye out for even more supermodels who just might be challenged to strut their stuff!