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9 Billion People + 1 Planet = ?,

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Uploaded on Feb 20, 2012

Andrew Revkin, an award-winning science reporter and author who covered environmental issues for The New York Times for nearly 15 years, spoke at the University of Arizona on Jan. 26, 2012. His talk, "9 Billion People + 1 Planet = ?," kicked off the UA lecture series, Clearing the Air: Arizona's Voice for Environmental Science, which will include talks by four renowned experts on communicating climate and environmental science.

The title of Revkin's talk refers to projections that the human population will hit 9 billion by the middle of this century. Thus far, spikes in population and resource appetites have been sustained by technology and fossil fuels. But the road toward a more stable, prosperous human population later in the century can be made smoother or bumpier depending on choices made now - including the choice to stick with business as usual.

During his talk, Revkin presented an optimistic, but realistic, exploration of ways to foster progress on a finite planet-including the unique role of universities as hubs of innovation, learning and, most important, doing.

The lecture series is sponsored by the UA's Institute of the Environment, School of Earth and Environmental Sciences, Water Sustainability Program, Renewable Energy Network, College of Science, UA Biosphere 2, College of Law, and  School of Geography and Development.

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