• We don't expect you to go to work in rags, but buying vintage or used clothes is a great way to cut down on the CO 2 costs associated with farming and manufacturing. (Click here for TreeHugger vintage finds.)
• Choose quality over quantity. Buying things you'll wear for a long time saves energy and reduces trash.
• Choose clothes made from hemp and bamboo. Think you'll look like a hippie? Think again.
• Cows create loads of CO2 and other greenhouse gases. Could you buy fewer shoes made from leather, and give canvas and hemp a chance?
(Click here to launch this week's action quiz.)