Witness History Episodes Available now
The man who fed the world
Dr Norman Borlaug’s pioneering work on disease-resistant grains saved millions.
Mexico City slashes car use
How Mexico City cut its dangerously high air pollution levels
Proving climate change: The Keeling curve
An American scientist began recording carbon dioxide levels in the atmosphere in 1958
Britain's World War Two 'Brown Babies'
The stigma of growing up as a mixed race child in post-war Britain
The Bristol bus boycott
How British black activists fought for employment rights in the 1960s
The Notting Hill riots
Inter-racial violence broke out in west London in the summer of 1958
The first black woman MP in Britain
In 1987 Diane Abbott became the first black woman to be elected to the British Parliament
Learie Constantine - fighting racism in the UK
The great West Indian cricketer who fought against racism in the UK
China opens up to capitalism
How China's Communist rulers established the country's first Special Economic Zones
The 1967 Hong Kong riots
How workers and students filled the colony's streets, pressing for an end to British rule
