Forget the halfmarathon: aim for regular, manageable bouts of exercise and cleaner eats for a sustainable lifestyle change.

A couple trying to live a sustainable lifestyle without modern conveniences have been granted permission to stay in the 'eco-house' they built after winning the support of a planning official.

Advocates seek a sustainable lifestyle (for example, of voluntary simplicity) for inhabitants with a minimum of trade outside the local area, or ecoregion.

Exhibitors showcase a variety of alternative energy vehicles, as well as exhibits with a sustainable lifestyle theme.

A 1973 experiment into alternative living has evolved into an eco-village with inspiring displays on sustainable lifestyles, based on current science.