Developing low-cost approach to improving drinking water supply

This strategy features in the framework of Agenda 21 as formulated at UNCED (Rio de Janeiro, 1992), now coordinated by the United Nations Commission on Sustainable Development and implemented through national and local authorities. Agenda 21 recommends the pursuit of low-cost scientific and technological means, as far as practicable.

1. Increasing availability of low-cost sanitation options

1. Developing hand pumps

1. Providing sanitary water supply
2. Ensuring clean drinking water

1. Oversupply
2. Lowness
3. Costliness