We Were Here: Measuring the Human Footprint
![](https://media.wnyc.org/i/800/0/c/85/1/3262725.jpg)
An aerial view of Calder Hall, Britain's first nuclear power station and the first in the world to produce electricity on a full commercial scale. January 8th, 1962
( Keystone / Getty )
( Keystone / Getty )
Produced by Kyle McAuley