An ancient global warming episode drastically changed the planet. Life on Earth needed 200,000 years to recover. What we're headed for in the next century could be even bigger.
After two decades watching atmospheric oxygen levels drop, a Scripps researcher's conclusions about climate could leave one feeling light-headed
An introduction to the history and science of Scripps Institution of Oceanography, UC San Diego
How to adjust and read a mercury barometer (1:15 min).
A thick chunk of Arctic sea ice the size of two states has disappeared. Is it global warming or normal causes?
For more information visit: http://www.jpl.nasa.gov/videos/earth/earth20071001/
A documentary about volcanic eruptions, their causes and effects on Earth and the geological implications of those events in history and in the future - Part 2.