Tommie’s cafe at the wonderful public library in Livermore makes yummy sandwiches and pours high-quality McLaughlin coffee. It became a wonderful example of how an outspoken sustainable (aka “annoying”) customer can encourage a business to become more green: Every time I went there for a cup of coffee I would purposefully leave my travel mug in the car and ask for a reusable cup. Every time I would end up walking back to my car to get my own mug—with a big, emotionally manipulative “sigh”. Usually the baristas would only charge me for a small coffee to make up for my “inconvenience”. Until today when they were all smiles pointing at a new sign that was advertising Tommie’s “House” mugs. A few weeks earlier I had a chat with the owner about offering at least one sustainable coffee with the result that “Sumatra Organic” has entered the six-coffee line-up. One more problem: the open ceramic mugs are not welcome inside the library. Tommie …?