Telegraph: Temperatures for December and January were consistently 1.8 F ( 1 C) lower than the average of 41 F (5 C)and 37 F (3C) respectively and more snow fell in London this week than since the 1960s. But despite this extreme weather, scientists say that the current cold snap does not mean that climate change is going into reverse. In fact, the surprise with which we have greeted the extreme conditions only reinforces how our climate has changed over the years. A study by the Met …