Challenges for Global Energy

AIChE Webinar
Originally delivered Apr 21, 2009

This presentation describes and evaluates the technical, political, and economic challenges involved with widespread adoption of renewable energy technologies. It discusses what it would take, on a global scale, to transition to wind, solar thermal, solar electric, biomass, hydroelectric and geothermal energy.

First, we estimate the available fossil fuel resources and reserves based on data from the World Energy Assessment and World Energy Council.

In conjunction with the current and projected global primary power production rates, we then estimate the remaining years of supply of oil, gas, and coal for use in primary power production. We then compare the price per unit of energy of these sources to those of renewable energy technologies (wind, solar thermal, solar electric, biomass, hydroelectric, and geothermal) to evaluate the degree to which supply/demand forces stimulate a transition to renewable energy technologies in the next 20-50 years.

Second, we evaluate the greenhouse gas buildup limitations on carbon-based power consumption as an unpriced externality to fossil-fuel consumption, considering global population growth, increased global gross domestic product, and increased energy efficiency per unit of globally averaged GDP, as produced by the Intergovernmental Panel on Climate Change (IPCC).

A greenhouse gas constraint on total carbon emissions, in conjunction with global population growth, is projected to drive the demand for carbon-free power well beyond that produced by conventional supply/demand pricing tradeoffs, at potentially daunting levels relative to current renewable energy demand levels.

Third, we evaluate the level and timescale of R&D investment that is needed to produce the required quantity of carbon-free power by the 2050 timeframe, to support the expected global energy demand for carbon-free power.

Fourth, we evaluate the energy potential of various renewable energy resources to ascertain which resources are adequately available globally to support the projected global carbon-free energy demand requirements.

Fifth, we evaluate the challenges to the chemical sciences to enable the cost-effective production of carbon-free power on the needed scale by the 2050 timeframe.

Finally, we discuss the effects of a change in primary power technology on the energy supply infrastructure and discuss the impact of such a change on the modes of energy consumption by the energy consumer and additional demands on the chemical sciences to support such a transition in energy supply.

This webinar consists of two parts: the video of Dr. Lewis's presentation (1 hour 21 minutes), followed by a recording of our live Q&A with Dr. Lewis (57 minutes).

This is the third in a 3-part series on Energy. Please note that each webinar in the series requires separate registration, and has been designed to function as both a standalone presentation and a component in the series. The other webinars in the series are A Perspective on the World's Energy Challenge and Changes in the Energy Market and their Impact on the Chemical Industry.

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Presenter(s): 

Dr. Nathan Lewis

Dr. Nathan Lewis, George L. Argyros Professor of Chemistry, has been on the faculty at the California Institute of Technology since 1988 and has served as Professor since 1991. He has also served as the Principal Investigator of the Beckman Institute Molecular Materials Resource Center at Caltech since 1992. From 1981 to 1986, he was on the faculty at Stanford, as an assistant professor from 1981 to 1985 and as a tenured Associate Professor from 1986 to 1988. Dr. Lewis received his Ph.D in Chemistry from the Massachusetts Institute of Technology.

Dr. Lewis has been an Alfred P....

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