New Year's Eve revellers toasted the end of 2025 on Wednesday, waving goodbye to 12 months packed with Trump tariffs, a Gaza truce and vain hopes for peace in Ukraine.It was one of the warmest years on record, the stifling heat stoking wildfires in Europe, droughts in Africa and deadly rains across Southeast Asia.There was a sombre tinge to party preparations in Australia's harbour city Sydney, the self-proclaimed