Danny O'Brien and Sue Ogilvy give the costs to build and own their off-grid house outside Canberra, ACT.
Story by two US interns, Michael Miniotas and Will Brandt, who are growing cucumbers in a Sydney street.
What does the data tell us about living off-grid for water in the heart of Sydney?
Analysis of water quantity by an American intern in Sydney, Jillian Meehan.