In 1971, a group of friends sail into a nuclear test zone, and their protest captures the world's imagination. Filmmaker Jerry Rothwell examines the early days of Greenpeace and co-founder Bob Hunter's commitment to environmental issues.
Whatever you think of Greenpeace's less well-considered antics over the years, How to Change the World is a compelling story of one environmentalist's remarkable combination of prescience, grit and timing.
How to Change the World is in clear sympathy with the environmental causes Greenpeace champions but its portrait of the organisation is quite spiky and probing.
The goldmine of 16mm color footage, whose propagandic value participants were quite cognizant of at the time, is in mint condition, showing the excitement and fun of the movement in its earliest days.