Pictures from space show that fall is in full swing in parts of North America. Clusters of trees have shed their summer greens in favor of autumnal oranges and reds around the Great Lakes and New England.
Dec 5, 2012; 5:00 AM ET
Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.