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M.V. Ramana on Safety at Nuclear Power Plants Watch Video

Videos - Climate in Context

M.V. Ramana on Safety at Nuclear Power Plants

Engineers who design nuclear plants can plan a worst case scenario, but this may not be enough to prevent all accidents.

How Do We Know: Tracking Tornadoes Watch Video

Videos - Extreme Weather

How Do We Know: Tracking Tornadoes

How do we know when a tornado is forming? Scientist Harold Brooks explains how Doppler radars are used to track storm formation.

How Do We Know: Shrinking Arctic Sea Ice Watch Video

Videos - Climate in Context

How Do We Know: Shrinking Arctic Sea Ice

Learn how NASA scientists are tracking the melting Arctic sea ice and what less ice means for global warming in the future.

How Do We Know: Tracking CO2 Emissions Watch Video

Videos - Climate in Context

How Do We Know: Tracking CO2 Emissions

Scientist David Crisp explains how NASA tracks regional carbon dioxide (CO2) emissions from space.

How Do We Know: Thinning Sea Ice Watch Video

Videos - Climate in Context

How Do We Know: Thinning Sea Ice

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: Groundwater Watch Video

Videos - Climate in Context

How Do We Know: Groundwater

NASA scientist Michael Watkins explains how satellites are used to monitor our changing global groundwater supplies.

How Do We Know: Salty Seas Watch Video

Videos - Climate in Context

How Do We Know: Salty Seas

Ocean salinity can have a big impact when it comes to changing climate. Learn how scientists are monitoring our salty seas.

How Do We Know: Proof in the Pixels Watch Video

Videos - Climate in Context

How Do We Know: Proof in the Pixels

Dr. Heidi Cullen talks to Dr. John Townshend about his current research which tracks rainforest deforestation.