Independent: No single weather event can prove or disprove climate change, but in its review of 2013 the worlds leading meteorological authority suggests that many of last years weather extremes are likely to have been heavily influenced by rising global temperatures.
In some ways 2013 was a typical year for the global weather. Heatwaves, cold snaps, violent storms, droughts and floods all played their part in shaping 2013 as they do every year but there is growing evidence that human activities are...