The Davies family's 'green guru' throughout their adventure is Steve Jones.
Steve is a leading green advocate of the Workhouse community in Machynlleth. He's set up housing co-ops and travelled Africa exploring permaculture techniques. Now he's faced with his most challenging task yet: how on earth will he persuade the Davies's to turn green?
Ask Steve a question
Steve answered some of your questions about sustainable living.
Steve answers Sue's question about compost toilets.
See also
Elsewhere on the BBC
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