By Green Dog Pet Supply The City of Portland’s Bureau of Planning and Sustainability has a certification program to identify Portland’s Greenest businesses. It’s a fairly thorough process, with site visits to verify the information given on a lengthy checklist of possible actions of sustainability. In 2013, 45 actions were required for Gold Level, and Green Dog had 53 completed actions. Our evaluator  told us that we were “in the top handful of scores for all high achievers we’ve worked with, and by far the highest number we’ve seen for