It screened a couple of years ago and centered around two Australian families:

The challenge starts with a bang. No energy, no water, no vehicles and no waste removal. After twenty-four hours one eco hotspot will be returned and a consumption level will be set based on what scientists say will help save the planet. Once that level is maintained another hotspot will be returned. The families will not get their lives back until they drastically reduce their consumption, have all the hotspots balanced and learn to live sustainably. This could takes weeks…

I borrowed a copy from my local library Stay tuned for my review….