translation.en: When you add all these things up -- Saul Griffith did the numbers and figured out what would it take to get 13 clean terawatts of energy and that area would be roughly the size of the United States, an area he refers to as "Renewistan."
translation.zh: Saul Griffith 算过后发现： 要从风能，太阳能或生物燃料中 获得 13太瓦的电力 就要 一个和美国差不多大的地方 这个地方被他称为“Renewistan”（一块奉献给可再生能源的土地）