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
Plastic trash floats in the waters off the Smithsonian's Carrie Bow Cay field...
Diver Cleaning Up Reef
A diver cares for the reef by cleaning up discarded fishing gear and garbage. Even...