By Stella Qiu and Stefaniia Bern (Reuters) -With fireworks in London, Paris and Berlin, hopes for an end to the war in Ukraine and a return to post-COVID normality, Europe and Asia bid farewell to 2022. It was a year marked by the conflict in Ukraine, economic stresses and the effects of global warming. But it was also a year that saw a dramatic soccer World Cup, rapid technological change, and efforts to meet climate challenges. For Ukraine, there seemed to be no end in sight to the fighting that began when Russia invaded in February. On Saturday, Russia fired a barrage of cruise missiles tha…