Greta Thunberg is leading strikes on Fridays as she journeys toward Chile for an international climate change conference in December. But she plans to get there without flying.

Greta Thunberg is leading strikes on Fridays as she journeys toward Chile for an international climate change conference in December. But she plans to get there without flying. https://t.co/w2VFPtvckV

— Vox (@voxdotcom) October 4, 2019