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.
There are around 66,418,320 people who speak Korean in North and South Korea, Thailand, China, Japan, Russia, the United States of America and Singapore. Now you can say hello to 66,418,320 people!*. *Source: Ethnologue: Korean. Say Hello to the World was created by Lorri Mon.