Conservation
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Energy-Saving Advice From the 1970s
Some of these old energy tips pass the test of time, while others are best forgotten
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Sand for Construction Is Vanishing
A boom in urban development has brought a run on the kind of sand that can be used in concrete, glass, and asphalt — and mining it comes at a very high cost
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Changing Behavior to Save Energy
Follow your grandmother’s advice: turn down the thermostat, turn off the lights, and take shorter showers
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Getting More Efficient, But Using More Energy
How the Rebound Effect undermines energy conservation
