Siobhan used to work on the tills in a large supermarket on the other side of town. She was there for over ten years, and saw things change a lot in that time.

They toned down the lighting and switched it over to a super efficient LED system, added packaging bins in-store and got rid of the open fridges. Quite recently they’ve also installed banks of taps to dispense liquids such as milk, yoghurt, shampoo, laundry wash and so on which save a fair bit of money if she reuses her containers.

Working there was better than she’d expected – even if she couldn’t join in with the fish-gutting or cooking demonstrations, there always seemed to be something going on and she picked up a lot of tips on saving money and carbon for her own home.

But it was a long way on the bus and recently a new vertical farm opened up in her neighbourhood, so she’s started working there instead.

The vertical farm used to be a derelict warehouse, but they’ve renovated it, opened it up to more light and have started growing vegetables and fruit in there, on several levels. The cobbled yard has been dug up for pigs and chickens to graze in.

At front of house there’s a farm shop which has become very busy very quickly – people can’t seem to resist the idea of food grown in their own neighbourhood.

Siobhan is still on the tills, but there’s a staff rota that means she can do a bit of the gardening – getting a discount on the price of the food she helps grow – and she also helps supervise kids from the local school when they come for their regular visit.