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1 .This is Scientific American 60-Second Science. I'm Cynthia Graber. Got a minute?
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2 .The drought is big news in California.
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3 .But California's not alone, climate change will exacerbate water issues.
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4 .So what should we do to save water?
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5 .Turns out that most of us don't really know, according to research in the Proceedings of the National Academy of Sciences.
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6 .Shahzeen Attari at Indiana University surveyed more than 1,000 Americans online.
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7 .Respondents were first asked what they could do to conserve the most water.
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8 .The vast majority chose curtailing an activity, such as taking a shorter shower.
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9 .They didn't give much weight to efficiency measures that involve changing the devices themselves.
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10 .Such as retrofitting a toilet, which is in fact the most significant water-saving change the average person can make.
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11 .Participants also tended to underestimate the water required for activities such as car washing or washing clothes.
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12 .For instance, the average guess was that a standard washing machine uses 14 gallons of water, it actually uses about 34.
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13 .These results indicate that Americans don't have a good handle on where they use the most water.
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14 .Such awareness is critical today in California, but is likely to become important for many other regions in the not-too-distant future.
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15 .Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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