National Hurricane Center scientist Jack Beven explains the technology used to forecast and track hurricanes as they happen.
Scientist David Crisp explains how NASA tracks regional carbon dioxide (CO2) emissions from space.
NASA scientist Ron Kwok details new technology he is using to monitor how extensively Arctic sea ice is melting from below, a key indicator of the ice's long-term stability.
How do we know when a region may be experiencing an early drought? Dr. Heidi Cullen talks to NASA scientist Molly Brown, who relies on sophisticated satellites for the answer.