ENVIRONMENT: Global warming, the latest evidence*

Despite continued claims of uncontrolled global warming, the latest data show that average surface temperatures, Arctic sea ice levels and seawater temperatures around the world are within the range which has been observed for many years.
The average figures are important because local variations can lead people to generalise from their own experience to reach incorrect conclusions.
For example, the northern hemisphere has experienced three successive severe winters, although average g…

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