2080

By 2080 on Earth the Amazon Rainforest became the Amazon Desert when the eco-system collapsed. When the Fifth Doctor and Turlough arrived in Brazil for the Rio de Janeiro carnival, what they found were instead shanty towns. (AUDIO: Loups-Garoux)

Whilst in space the Cybermen took control of the Silver Carrier. Eight weeks later, they caused an explosion in the Perseus Cluster. (TV: The Wheel in Space)