Julie Knapp

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15 houseplants for improving indoor air quality

10 flu-fighting foods

11 beauty products that may be ruining the planet

8 of the most pristine beaches in the world

15 green summer camps

17 food certification labels decoded: Nos. 9-17

17 food certification labels decoded

Make your dog more hybrid, less SUV

12 Olympic athletes who want to save the planet

9 eco-friendly diets

10 green fund-raising races in 2010

10 eco-friendly food trucks