Complex sentence: Animal Planet HD is a 1080i high definition simulcast of Animal Planet, that launched on September 1,2007; it is currently available on AT&T U-verse, Verizon Fios, Dish Network, Cox, Comcast, Charter, DirecTV and Time Warner Cable.
Split into simpler sentences: Animal Planet HD is a 1080i high definition simulcast of Animal Planet, that launched on September 1,2007. It is currently available on AT&T U-verse, Verizon Fios, Dish Network, Cox, Comcast, Charter, DirecTV and Time Warner Cable.