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.
There’s no missing the polemical points being made or doubting the film is meant to inspire further action, but even hardened whale-eating oil oligarchs are likely to be charmed by the idealism and smarts of these audacious activists.