The Future of Climate Change is in the Past

Kirk Johnson, Director of Smithsonian National Museum of Natural History, explains how the Earth's temperature cycle at Smithsonian's "The Future is Here" event (16:18)

Latest Videos

Preview thumbnail for video'Sloth Bear Cub Plays a Harmonica
Sloth Bear Cub Plays a Harmonica (0:13)
Preview thumbnail for video'Wild Inside The National Zoo: Bao Bao's First Year
Wild Inside The National Zoo: Bao Bao's First Year (4:52)
Preview thumbnail for video'Smithsonian National Zoo Doctor
Smithsonian National Zoo Doctor (1:50)
Preview thumbnail for video'Tackling Obesity at the National Zoo
Tackling Obesity at the National Zoo (2:16)
Preview thumbnail for video'The View from Above
The View from Above (1:43)
Preview thumbnail for video'The First Ladies' Dresses at the Smithsonian
The First Ladies' Dresses at the Smithsonian (3:12)
Preview thumbnail for video'A Gingerbread Smithsonian Castle
A Gingerbread Smithsonian Castle (2:20)
Preview thumbnail for video'Removed from its Setting, The Hope Diamond Stands Alone
Removed from its Setting, The Hope Diamond Stands Alone (1:50)
Preview thumbnail for video'Newborn Elephant Shrew Caught on Film
Newborn Elephant Shrew Caught on Film (1:30)