On Set with Vogue - Behind the Scenes of the Paris Climate Talks With Cameron Russell

One of the key issues at the Paris climate summit, now in its second week, is where exactly emissions should be capped. Scientists have identified 2 degrees Celsius of warming as a dangerous tipping point for the planet, but many low-lying island countries are pushing for 1.5. In a video dispatch from the negotiations, model-advocate Cameron Russell goes backstage and asks some of the formidable women at the COP21 just what a difference a half degree makes.