Bill McKibben, Co-founder of 350.org, Flashes the Climate Sign

Thank you Bill McKibben for raising the climate sign to unite for climate action! Bill McKibben is the co-founder of 350.org and a leader in today’s climate movement. Mr. McKibben raises the climate sign alongside thousands of people worldwide to send a powerful message to world leaders at the UN climate conference (UNFCCC) this December: Climate change is a global issue, and together we can find global solutions.

Join the movement today by sharing your climate sign selfie with the hashtag ‪#‎ClimateSign‬!