National Geographic
(mohammad abdullah , karachi)
                Based at the National 
Geographic Society headquarters in Washington, D.C., the National Geographic 
Channels US are a joint venture between National Geographic and Fox Networks. 
The Channels contribute to the National Geographic Society's commitment to 
exploration, conservation and education with smart, innovative programming and 
profits that directly support its mission. Launched in January 2001, National 
Geographic Channel (NGC) celebrated its fifth anniversary with the debut of NGC 
HD. In 2010, the wildlife and natural history cable channel Nat Geo WILD was 
launched, and in 2011, the Spanish-language network Nat Geo Mundo was unveiled. 
The Channels have carriage with all of the nation's major cable, telco and 
satellite television providers, with NGC currently available in 85 million U.S. 
homes. Globally, National Geographic Channel is available in more than 440 
million homes in 171 countries and 48 languages.