21:00Green OriginalsFrom Ken Saro-Wiwa to Severn Cullis-SuzukiBBC Radio 4 Duration: 57 minutes Fri 24th Jan 2020, 21:00 on BBC Radio 4 LWAvailable for over a yearListen nowReflections on the modern pioneers of the environmental movement. Show more GenresFactualScience & NatureNature & EnvironmentSeriesGreen Originals Source: BBC Online