>• Environmental consultant Elizabeth Rogers' Shift Your Habit suggests ways to help save the planet-while saving money too. Among her celeb friends' favorites:
TEA LEONI
We use shorter, cold- water cycles on the washing machine. Knowing we don't need hot to get out our stink has bolstered my family's self-esteem!
OWEN WILSON
I try to cut way back on the plastic, especially on plastic water bottles. Tap water or a home water system, it turns out, is a much better way to go.
CAMERON DIAZ
I buy only what I need for the week and get super creative with leftovers. It's so satisfying to use everything in the fridge before it goes to waste.
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