Ice Melt at the Poles
It’s confirmed: both Antarctica and Greenland are losing ice—around 350 billion...
What is El Nino?
This activity explores the potential for climate variability and change to trigger...
Fri, 03/19/2010 - 14:51
Dr. Sylvia Earle
Dr. Sylvia Earle, National Geographic Explorer in Residence, is known as ‘Her...