Christiana Figueres is a Costa Rican diplomat who spearheaded the 2015 Paris climate accord. Greta Thunberg is a 16-year-old Swedish student leading a global school strike for climate.

DAVOS, Switzerland — Climate change is an existential threat to humanity and already a matter of life and death for many, but it is just one issue among many on the agenda at this year’s World Economic Forum. It should be the number one priority and should sit at the center of every conversation in Davos.

This week, the two of us — from different generations but united by the same concern for our planet — will jointly address delegates at the summit. Climate change action has never been so urgent, as we are quickly approaching tipping points of no return. In that context, we will talk about leadership, outrage and optimism. We believe these are inspirational times for transformational change. Read More