This passed me by last year but is back this coming weekend for its second incarnation. I’m talking about the UK Green Film Festival, which will be screening films from around the world that explore some of the big environmental issues of the day.

There’s some fascinating topics up for viewing – from the obvious to the not so obvious. Below I have highlighted four that you might find interesting:

You could try Happy, which examines what makes you happy. Is it money? Kids and family? Your wo...