A new year is the time for bringing out your best stationery and writing a list. Ours is a rundown of things that are set to make life better in the coming year, whether it’s a clever new business or a cultural opening, a flicker of improvement in a beleaguered metropolis or a city hall doing great things with public transport. We’ve also added some suggestions, from how to sleep well to how to improve on a gin and tonic. Here’s to a hopeful 2020.