Shift your habit : easy ways to save your money, simplify your life, and save the planet / Elizabeth Rogers with Colleen Howell.

Enhanced descriptions from Syndetics:

Save Your Planet--and Your Wallet

Going green doesn't mean spending big bucks on organic food, solar panels, and hybrid cars. At its core, green living is simply about moderation, efficiency, and--believe it or not--living less expensively. Shift Your Habit shows you how to make easy changes to your lifestyle that will do the most to benefit your budget and the planet.
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Included are hundreds of habit-shifting suggestions to leave you with thousands of dollars you would otherwise never see again. These are tiny modifications that any family can make . . . and some already have. You'll meet fifteen families who can testify to just how simple shifting can be and how much money can be saved.
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Shift Your Habit pinpoints small tweaks that can lead to huge personal and planetary rewards, such as:
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* Switch to an ultra-low-flow showerhead--save $135 a year
* Pack waste-free school lunches--save $200 per child a year
* Reduce your driving speed by 5 m.p.h.--save $900 a year
* So far, Shifter Families have saved almost $100,000, nearly 500,000 gallons of water, and more than 15 tons of waste
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Every shift counts, and with numbers like these, it's easy to see just how much.