Complex sentence: Carpenter still self-syndicates the strip within the United States, and currently appears in over 330 newspapers as a result, but since 2007 the strip has been syndicated internationally by King Features Syndicate.
Split into simpler sentences: Carpenter still self-syndicates the strip within the United States, and currently appears in over 330 newspapers as a result. Since 2007, the strip has been syndicated internationally by King Features Syndicate.