var items = new Array (new ImageMetaData('Hot and Cold:  Signs of global warming at a dried-up pond in China in August 2006 (left) and a 1975 NEWSWEEK report on the threat of global cooling. \n','http://msnbcmedia.msn.com/i/msnbc/Sections/Newsweek/Components/Photos/061017_061023/061023_GlobalCool_hsmall.jpg','4:46 p.m. ET, 10/23/06','Imaginechina (left); detail from 4/28/1975 Newsweek article','MSNBC',15390904));