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1 .This is Scientific American 60-Second Science. I'm Cynthia Graber.Got a minute?
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2 .It's obvious that, say, turning the lights off saves money.
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3 .But being reminded that using less energy saves money may not be the most effective way to motivate consumer efficiency.
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4 .Instead, citing environmental and health benefits appears to an even bigger influence.
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5 .That's according to a study in the Proceedings of the National Academy of Sciences.
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6 .Air pollution from coal and natural gas plants has a demonstrated impact on childhood asthma and cancer.
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7 .But that point has not been well communicated as part of a conservation effort.
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8 .So the scientists monitored 118 Los Angeles apartments.
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9 .The residents received access to real-time information on household energy consumption, down to the level of individual appliances.
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10 .For slightly more than three months, half the households received weekly updates comparing their energy use to their most energy-efficient neighbors, along with the related cost savings.
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11 .The other group received weekly messages about the emissions and pollution they generated, and the resulting health impacts.
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12 .The cost savings group did not change their behavior significantly.
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13 .But the group that received the health and environmental information reduced consumption by 8 percent compared to the control.
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14 .And in households with children, the effect was even stronger: they reduced their use by a whopping 19 percent.
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15 .Research has shown that behavioral changes alone could lead to a 20 percent reduction in energy consumption, reducing carbon emissions by some 123 million metric tons each year.
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16 .Seems like it could be possible to mount a major conservation effort based on the right regular reminders.
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17 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Cynthia Graber.
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