Disagreements still remain about the extent to which the recent warming in global temperatures deviates from normal climatic cycles. Direct measurements of temperature have...
Linking extreme heat events to global warmingLast Updated on 2012-08-07 at 19:13
An analysis by James Hansen and colleagues suggests that recent episodes of extremely warm summers, including the intense heat wave afflicting the U.S. Midwest this year,... More »
2011: Ninth Warmest YearLast Updated on 2012-01-21 at 16:42
NASA Finds 2011 Ninth Warmest Year on Record
The global average surface temperature in 2011 was the ninth warmest since 1880, according to NASA scientists. The finding... More »