But for many of the world's poor, finding a good way to keep food cool is difficult.

VOA: special.2009.02.09

He wants to give poor people in developing countries a simple way to improve their lives.

VOA: special.2010.03.15

Oxfam's Nisha Agarwal says the project could be a powerful way of introducing transparency, reducing bureaucracy and reaching the poor effectively.

VOA: standard.2009.09.24

"The thing that stands in the way of a global agreement is the incredible inequity and the gulf between rich and poor which makes the future look very different, depending on where you live.

VOA: standard.2010.04.21