The World Factbook. People from nearly every country share information with CIA, and new individuals contact us daily.
If you have information you think might interest CIA due to our foreign intelligence collection mission, there are many ways to reach us. If you know of an imminent threat to a location inside the U.S., immediately contact your local law enforcement or FBI Field Office. For threats outside the U.S., contact CIA or go to a U.S. Maps. Global Warming / Climate Change. Climate Change: Vital Signs of the Planet. Earth's Inconstant Magnetic Field. Earth's Inconstant Magnetic Field Our planet's magnetic field is in a constant state of change, say researchers who are beginning to understand how it behaves and why.
Every few years, scientist Larry Newitt of the Geological Survey of Canada goes hunting. He grabs his gloves, parka, a fancy compass, hops on a plane and flies out over the Canadian arctic. Not much stirs among the scattered islands and sea ice, but Newitt's prey is there--always moving, shifting, elusive. His quarry is Earth's north magnetic pole.