The numbers on the student climate strike demonstration in central London on 20 September were estimated by organisers at up to 100,000.
Similar huge crowds filled the streets in many cities across the world. In Sydney, Australia, for example, the turnout was also estimated at 100,000.
The protests were made up of school students, university students, people who took or already had days off work on the Friday, plus a significant minority of workers joining the protest, generally with the consent or support of their employers.
In England alone, there were dozens of other protests. We are not