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.
English has the most speakers with approximately 2 billion speakers worldwide or 30% of the world's population. Most people mistake Mandarin for having the most speakers with â¦ 935,000,000 speakers, but Mandarin is the language with the most native speakers. English has the most speakers total. Only about 600,000,000 native speakers for English.