Extreme heat increasing in both summer and winter

A new study shows extreme heat events both in the summer and in the winter are increasing across the U.S. and Canada, while extreme cold events in summer and winter are declining.

Europe heading for warmer-than-average winter: forecaster

Europe faces a higher-than-usual chance of a cold blast of weather before the end of the year, but the winter overall is likely to be warmer than average, the continent's long-range weather forecaster said Thursday.

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