Climate

by Justin Worland

by Andrew R. Chow

by Micheline Maynard

by Maya Chung

by Jeffrey Kluger

by Sarah Sax and Andrew D. Johnson

by Andrew D. Johnson

by Justin Worland

by Vince Beiser

by Victoria Malloy and Andrew D. Johnson

by Esha Chhabra

by TIME Staff

by Justin Worland

by Peter H. Gleick

by Sarah Sax and Lisa Nho