like whitefly, aphids, commonly known as greenfly, spider mites. there is one of my macrolophus. ah! hello! so we do not want to damage him? he's fine? he looks like a greenfly. yeah, he's just searching away, looking for something to eat. because we're coming to the end of the crop, we've taken the top of the plant off. so this would have extended all the way to the top of the greenhouse? up to the top of the wire, the string here. oh, wow. so we keep a buffer over the top of the greenhouse we can control the atmosphere and the climate within here. and more produce is growing in a greenhouse just next door using the same green technology. how many cucumbers are you growing here in the other greenhouse? the other greenhouse here is 1a million cucumbers. 1a million? 22 million peppers. 22 million peppers?! i don't know how many tons of tomatoes, but a lot. it's done better than we'd anticipated in its first year, if i'm honest. yes. um, but, you know, great. so this project has proven that you can grow a large scale of produce in a low—carbon way — you just need to be near a waste heat source, and there are plenty of those