Climate

by Hannah Ritchie

by Jeffrey Kluger

by Li Shuo

by TIME Staff

by Justin Worland

by Lynn Forester de Rothschild

by Justin Worland / Dubai

by Micheline Maynard and Video by Lisa Nho

by Aryn Baker / Dubai

by Jennifer A. Dlouhy, Jessica Shankleman and Laura Millan / Bloomberg

by Sanya Mansoor

by Alejandro de la Garza and Video by Andrew D. Johnson

by Esha Chhabra and Video by Lisa Nho

by Dan Flores

by Ninis Twumasi