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Earn less, spend less, emit and degrade less. That’s the formula. 
The  more time a person has, the better his or her quality of life, and the  easier it is to live sustainably. A study by David Rosnick and Mark  Weisbrot of the Center for Economic and Policy Research estimated that  if the United States were to shift to the working patterns of Western  European countries, where workers spend on average 255 fewer hours per  year at their jobs, energy consumption would decline about 20 percent.  New research I have conducted with Kyle Knight and Gene Rosa of  Washington State University, looking at all industrialized countries  over the last 50 years, finds that nations with shorter working hours  have considerably smaller ecological and carbon footprints. 
There’s also a small but growing body of studies that examine these  questions at the household scale. A French study found that, after  controlling for income, households with longer working hours increased  their spending on housing (buying larger homes with more appliances),  transport (longer hours reduced the use of public transportation), and  hotels and restaurants. 
A recent Swedish study found that when  households reduce their working hours by 1 percent, their greenhouse gas  emissions go down by 0.8 percent. One explanation is that when  households spend more time earning money, they compensate in part by  purchasing more goods and services, and buying them at later stages of  processing (e.g., more prepared foods). People who have more time at  home and less at work can engage in slower, less resource-intensive  activities. They can hang their clothing on the line, rather than use an  electric dryer. More important, they can switch to less  energy-intensive but more time-consuming modes of transport (mass  transit or carpool versus private auto, train versus airplane). They can  garden and cook at home. They can meet more of their basic needs by  making, fixing, doing, and providing things themselves. 
Doing-it-yourself, or self-provisioning, is now on the rise, both  because of a culture shift and because in hard times people have more  time and less money.