They created Pedal People as a way to create a useful service that helps the local economy and is environmentally friendly.

VOA: special.2009.12.04

The systems are especially useful for those who are too sick to go a long way for water.

VOA: special.2009.07.27

Even small changes in what we eat and how we prepare our food can be very useful, says physician David Servan-Schreiber, author of "Anti-Cancer, A New Way of Life".

VOA: standard.2010.02.23