man-made increases in greenhouse gases that are believed to be the cause of global warming. The longest such record exists at Mauna Loa, but these measurements
(2005) as "Global and hemispheric temperature anomalies – land and marine instrumental records". In Trends: A Compendium of Data on Global Change. Carbon
Graphs of average temperature changes for the Northern and Southern hemispheres, demonstrating regional climate variability author name string: RCraig09