Climate

by Justin Worland

by Justin Worland / Toronto

by TIME Staff

by Solcyré Burga

by Justin Worland

by Simmone Shah

by Olivia B. Waxman

by Alana Semuels

by Solcyré Burga

by Chantelle Lee

by Philip Elliott

by Sonia Aggarwal

by Bill Weir

by Justin Worland

by Philip Lymbery and Leticia Carvalho