There is an extraordinary sign on the outside of a well-tended West Yorkshire vegetable garden: "Help yourself."

It is part of the expanding "sharing revolution" across the UK. Sweet corn grown around town is for all to take, orchards planted to bear fruit is free for the taking. Commuters can snip fresh herbs from pots outside the railway station.

It's all kept weeded by an army of local people who give up an hour or so on the occasional Sunday.

"Community empowerment, social enterprise, co-operative, it has various titles, but it's quietly getting huge," said Mike Perry of the Plunkett Foundation, a thriving national organization supporting such enterprises nationwide.

(READ the story in the Guardian)