National Geographic: Last month was the warmest November on record, according to a report released this week from the National Climatic Data Center (NCDC).
"It's the first time we've seen a big spike like this in the global surface temperature in several years," said Deke Arndt, chief of the climate-monitoring branch of the NCDC, which is part of the U.S. National Oceanic and Atmospheric Administration.
November's worldwide average was 1.40°F (0.78°C) higher than the 20th-century global average temperature of 55.2°F...