There are many similarities between the provision of safe sanitation and the upgrading of traditional cookstoves in developing countries. The role of women in both challenges is fundamental and has been recognised in the Rio+20 debates.
It may seem far-fetched but success stories in changing sanitation behaviour in developing countries might offer insights for the difficult transition to low carbon lifestyles for the rich.
Rich countries continue to improve their standards in sanitation whilst billions lack even rudimentary facilities. All that poverty campaigners can do is try to raise awareness of the divide.
The Millennium Development Goal for access to drinking water is on track to reach its target. One possible explanation is that positive safe water images contribute to campaign success.