The South Pole has warmed three times faster than the rest of the planet in the last 30 years due to warmer tropical ocean temperatures, new research showed Monday. Antarctica's temperature varies widely according to season and region, and for years it had been thought that the South Pole had stayed cool even as the continent heated up. Researchers in New Zealand, Britain and the United States analysed 60 years of weather station data and used computer modelling to show what was causing the accelerated warming.
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