Climate

by Aryn Baker / Berkeley, Calif

by Thomas Crowther

by Sam Kimball / Karbala, Iraq

by Alejandro de la Garza

by Ciara Nugent

by Michael E. Mann

by Aryn Baker / Doha, Qatar and Nagrain, Nepal

by Natalia Kanem

by Ciara Nugent / Putaendo, Chile

by Justin Worland / Sharm el-Sheikh, Egypt

by Michael Méndez and Sara Sadhwani

by María Mendiluce and Simon Mulcahy

by Alejandro de la Garza

by TIME Staff

by Ciara Nugent