Citizen Shipper is on Yahoo Buzz and Clean Technica!
http://buzz.yahoo.com/article/1:green_options321:07a900e14d5c0d414445fa9e2cbf44eb/Cheap-and-Green-Shipping-Service–CitizenShipper
http://cleantechnica.com/2010/05/01/cheap-and-green-shipping-service-citizenshipper/