Featured Challenge posted to the Carbonrally community:
Line-drying 4 loads of laundry can eliminate 18 lbs of Co2. Carbonrally says using the sun will significantly to dry clothing and bedding can reduce emissions and give you a chance to get outside. They've already got 2,400 rallyers in this challenge, and they've strung-up over 22 tons. Go to Carbonrally.com to find out more.
