Reuters: Severe winter freezes, like the one gripping parts of Europe over the last few weeks, will become increasingly rare because of the warming effect of climate change, the UK’s official forecaster said on Tuesday. Europe’s deep winter freeze, partly due to the El Nino weather phenomenon, has shocked parts of northwest Europe that usually escape the coldest winter temperatures, driving heating gas demand to records in Britain [ID:nWLA2033] and disrupting supplies of the fuel when it was …