Vineyard Power Co-operative adoption. Leaders of island organizations met in September 2017 at the initiative of the Co-op and Environment Massachusetts to develop a vision of 100% renewable energy use for the island. Vineyard Power Co-operative Vineyard Power Co-operative is "a community owned renewable energy co-operative based on the island of Martha's Vineyard, Massachusetts." Vineyard Power develops local renewable energy projects and plans to assist the island of Martha's Vineyard to meet the energy goals of the Island Plan, and work towards a 100% renewable energy supply. The founding of Vineyard Power was inspired by the renewable energy vision of the people of
Martha's Vineyard island, as compared to the rate of 20 percent deaf-hearing marriage in the mainland. The sign language used by Vineyarders is called Martha's Vineyard Sign Language (MVSL), and it is different from American Sign Language (ASL). However, the geographical, time, and population proximities state that MVSL and ASL are impossible to develop in complete isolation from each other. MVSL was commonly used by hearing residents as well as Deaf ones until the middle of the 20th century. No language barrier created a smooth communication environment for all the residences on the island. In the 20th century, tourism became a mainstay