SAN FRANCISCO — In anticipation of the United Nations climate change conference scheduled to occur in Copenhagen, Denmark, in December, Google Inc. is presenting a series of narrated tours through its popular Google Earth program that allow viewers to explore the environmental impacts of climate change around the globe.

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...