An environmentalist in polar bear costume stands next to a placard during an Arctic-saving campaign in Jakarta, Indonesia, May 12, 2013. The reduction in Arctic summer ice cover registered a record low of 3.4 million square kilometers in 2012, which was 18 percent below the previous recorded minimum in 2007 and 50 percent below the average in the 1980s and 1990s, stated the UN Environment Program (UNEP). [Photo/Xinhua]