Part 131 (1/2)

Brad Plumer, ”We're on Pace for 4C of Global Warming. Here's Why That Terrifies the World Bank,” Was.h.i.+ngton Post, November 19, 2012.

86 ”worst case” future projections are the ones most likely to occur

Brian Vastag, ”Warmer Still: Extreme Climate Predictions Appear Most Accurate, Report Says,” Was.h.i.+ngton Post, November 8, 2012.

87 49 percent loss

Joanna Zelman and James Gerken, ”Arctic Sea Ice Levels. .h.i.t Record Low, Scientists Say We're 'Running Out of Time,' ” Huffington Post, September 19, 2012.

88 100 percent loss in as little as a decade

Muyin w.a.n.g and James Overland, ”A Sea Ice Free Summer Arctic within 30 Years?,” Geophysical Research Letters 36 (2009).

89 A Chinese s.h.i.+p, the Snow Dragon, traversed the North Pole to Iceland and back

Jon Viglundson and Alister Doyle, ”First Chinese s.h.i.+p Crosses Arctic Ocean Amid Record Melt,” Reuters, August 17, 2012.

90 so that computer-driven trades can be executed more quickly

Christopher Mims, ”How Climate Change Is Making the Internet Faster,” Grist, March 29, 2012, grist.org/list/how-climate-change-is-making-the-internet-faster/.

91 Arctic Ocean, which until now have been protected by the ice

Ivan s.e.m.e.niuk, ”Scientists Call for No-Fis.h.i.+ng Zone in Arctic Waters,” Nature News Blog, April 23, 2012, blogs.nature.com/news/2012/04/scientists-call-for-no-fis.h.i.+n-zone-in-arctic-waters.html.

92 movement of military a.s.sets into the region

”Arctic Climate Change Opening Region to New Military Activity,” a.s.sociated Press, April 16, 2012.

93 new drilling opportunities

”Sh.e.l.l Starts Preparatory Drilling for Offsh.o.r.e Oil Well off Alaska,” CNN, September 9, 2012, articles.cnn.com/2012-09-09/us/us_arctic-oil_1_sea-ice-beaufort-sea-ice-data-center.