Byline: GUEST VIEWPOINT By Paul Bastinelli
Because most people associate the United States Postal Service with the color blue - the blue eagle logo, blue uniforms, blue collection boxes - they might not realize how green the USPS really is. In fact, the Postal Service is among the greenest of all federal agencies.
In October, the USPS announced the results of its first greenhouse gas report - its "carbon footprint." The report showed the Postal Service's direct carbon footprint is only one-20th of 1 percent of all greenhouse gas emissions in America. That's pretty green for an agency with 220,000 vehicles (the largest civilian fleet in the world), 34,000 facilities …