The post-festive return to work in the dark days of January is never easy, but this new year is shaping up to be tougher than usual for UK workers. Not only must they brave days of severe cold and ice, but many face the end of post-pandemic hybrid working. A range of big employers are hauling their teams back to the office, with Amazon issuing the strictest mandate, demanding staff attend in person five days a week. Such orders are provoking fresh battles between employees and their bosses, who believe staff need to be brought together to foster collaboration, creativity