Earth Day Promotions - continued

Well, dear readers, I was all set to come home from work and spend my daughter's entire nap compiling a comprehensive list of all the Earth Day deals. However, I have just discovered that Crystal at The Thrifty Mama has already done just that! Check out her post on Earth Day Freebies & Deals 2010 to see all the great stuff available today. What's your favorite Earth Day promotion?