Earth's Global Electric Circuit Teacher's Guide

This teacher's guide introduces a natural system in Earth’s atmosphere commonly referred to as our atmosphere's global electric circuit. The circuit encompasses the various phenomena in our atmosphere that influence the many connections and consequences from the electricity that flows between Earth and the atmosphere’s ionosphere: cosmic rays, magnetic fields, lightning, transient luminous events, electrified clouds, radon emanating from beneath Earth’s surface.... These phenomena encompass a complex system of electrical circuits that scientists are just beginning to understand. Scientists at the University of Colorado, Penn State, NCAR, and elsewhere are working together to build a model of the system for further research advances.

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