UPLOAD COSTUME PHOTOS:  Have you seen some great Halloween costumes today?  Share your photos! »

Green Ribbon Foundation

A stack of blue carts for the city of Chicago's curbside recycling program. (Credit: CBS)

Fashion Gala Features Work Made From Sustainable Material

While many party goers are already putting on Halloween costumes, one gala in Chicago has a very green dress code, reports WBBM’s Nancy Harty.