He looked around the cubicle he was dismantling, the good old geekosphere: a comfortable mush of old coffee cups and fast-food wrappers and technical manuals and rolled-up softscreens, and the multi-poster on the partition that cycled through classic Twenty Thousand Leagues under the Sea scenes.

A WEF report puts climate or environment-related threats in the top five slots in its list of the 10 long-term risks but warned a “vaccine divide” was making collaboration to limit temperature increases more difficult.

She mixed up peat moss, humus, and compost to make potting soil.

In the Seventies the system was run-down and demoralised. Road transport was the future, the Underground was being 'managed for decline', and the system was filthier than the streets above.