Numbers of the year 2025

We look back at some stand out numbers of 2025. How significant were Trump’s import tariffs? China sets the pace for solar power installation across the globe. We also look upwards to a particularly speedy comet - 3i Atlas.

Presenter: Tim Harford Producers: Charlotte McDonald and Katie Solleveld Production Co-ordinator: Maria Ogundele Sound Mix: Rod Farquhar Editor: Richard Vadon