If the Guardian allows users from outside the UK to access its video files, you should really check out Nick Broomfield’s new documentary “A Time Comes“.

It’s the story of the Kingsnorth Six, a group of Greenpeace activists who climbed a coal plant tower in 2007 to protest Gordon Brown’s plans to build new ones … and wound up charting a new course for environmental protest law.

It’s not even twenty minutes long. But here’s the trailer, if you’re wary.