FILE PHOTO: Climate activists Lesley Butler and Rob Bell "sunbathe" on the edge of a frozen fjord in the Norwegian Arctic town of Longyearbyen

FILE PHOTO: Climate activists Lesley Butler and Rob Bell “sunbathe” on the edge of a frozen fjord in the Norwegian Arctic town of Longyearbyen

Climate activists Lesley Butler and Rob Bell (R) "sunbathe" on the edge of a frozen fjord in the Norwegian Arctic town of Longyearbyen April 25, 2007. REUTERS/Francois Lenoir/File Photo

March 29, 2017 7:09 PM (UTC+8)