Issues around the following topics were discussed: sustainable electricity production, grid capacity, battery storage and lifecycle; rare earth element mining; establishing a circular economy; co-producing heat and lithium from granite; reducing storage requirements; the design of consumer goods to encourage de-commissioning over disposal; pests and pathogens in vertical farming; shifting employment patterns in the farming sector; pH farming and producing genetically modified tobacco to produce vaccines, increase pharmaceutical security via low cost solutions; re-using industrial brownfield sites; the importance of embedding innovative solutions early in the design stage; public engagement with the climate crisis.