The Global Warming Survival Guide

Assigning an office switch-off monitor might sound a little like third grade, but it could cut carbon emissions by reducing electricity use, not to mention extending equipment life and lowering maintenance costs. It's not exactly glamorous work: walking the halls to make sure that computers, monitors, desk lights, printers and fax machines are turned off daily. Air conditioners and overhead lights can be timed for turnoff: Aim for off-peak energy use to be about one-fifth of peak use. In the morning, the switch-on monitor takes over.

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