Reports by the Congressional Research Service from 2008 discuss emerging policy issues regarding carbon dioxide pipelines for carbon sequestration, network needs and cost uncertainties regarding pipelines for carbon dioxide control, and jurisdictional issues in regulating carbon dioxide sequestration pipelines.
Total numbers of speakers is high: over 40 million Farsi speakers (about 60% of Iran's population); over 14 million Dari Persian speakers in Afghanistan (50% of the population according to CIA World FactBook & Britannica); and about 2 million Dari Persian speakers in Pakistan.
Persian is the official language of the nations of Iran, Afghanistan, and Tajikistan, and is spoken in parts of Iraq, Armenia, and Russia. While various dialects of Persian are in use throughout the world, they are all mutually intelligible, unlike some widespread languages such as Arabic and Mandarin.op 10 facts about the world. Persian is a language spoken in parts of the Middle East and Central Asia. It is also known by many people as Farsi, and less commonly as Dari or Tajik. Persian has over 60 million native speakers, with an additional 50 million speaking it in addition to their first language.