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Science  30 Jul 1999:
Vol. 285, Issue 5428, pp. 635c
DOI: 10.1126/science.285.5428.635c

Consumption junction. Want to get a handle on the quantities of metals, toxic solvents, and energy that went intoas well as the greenhouse gases spewed out byyour new 25,000 car? This Web calculator tallies up the materials and energy that flow through everything from restaurants to roads, known as a life-cycle assessment. http://www.eiolca.net/

Ups and downs. From monthly stats on how much petroleum Americans burn to forecasts for the uranium industry, the U.S. Energy Information Administration has the scoop on energy use in the United States and internationally. You'll find its huge storehouse of statistics and reports at http://www.eia.doe.gov/

The energy game. Helping precollege students learn about energy issues is EnergyQuest, a nifty educational site from the California Energy Commission. It covers topics such as nuclear energy and alternative fuel vehicles and includes an ask-the-experts section, a gallery of famous energy scientists, and experiments (such as how to turn lemons into batteries). www.energy.ca.gov/education/index.html

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