December 9th, 2009
12:10 PM ET

Video: Planet in Peril, changing tides

Dr. Sanjay Gupta | BIO
AC360° Contributor
CNN Chief Medical Correspondent

Located in the South Pacific, the Carteret Islands are fighting a losing battle against the ocean. It's estimated the six islands will disappear into the water by 2015. Papua New Guinea plans to relocate the Carteret's 2,000 residents.

But a debate centers on what is causing these islands to disappear: Is global warming to blame, or are the islands sinking into the sea, or have the residents permanently damaged the reefs that help to protect the islands from the ocean?

soundoff (One Response)
  1. Tim Gibson

    Or is the center of rotation changing?

    December 9, 2009 at 12:20 pm |