By Elissa Ely If you walk past Anne Paulsen’s house on certain days, you will notice sheets hanging in the backyard, like neighbors gathering in a friendly kind of way. If a wind is blowing, some drying towel may point its direction. It’s environmental, but also practically driven: Anne has never bought a dryer. Her parents were not conservationists or even drawn to the great outdoors, but when Anne was five and growing up in West Roxbury, her father sold the family car to support the war effort. Afterwards, they walked almost everywhere (“It was a long trip to Dorchester,” [READ MORE]