Over the years, an agricultural adviser named Tony Rinaudo has helped people in the Sahel learn about the value and care of trees.

VOA: special.2011.05.10

Worries over Greek debt have pushed the euro to its lowest value in months against the dollar.

VOA: special.2010.02.12

UNESCO's World Heritage list includes over nine hundred natural or cultural places considered to have universal value.

VOA: special.2010.11.03

The curator of the exhibit, Leanne Mella,notes that western cultures value sight over other senses.

VOA: special.2010.07.09

For many investors in Asia, gold's role as a source of safety and value has been reinforced over the past year of economic uncertainty.

VOA: standard.2010.07.21

But there is a lot of uncertainty, and of course that is manifest in the share price which has lost about 40 percent of its value over the course of the past six or seven weeks."

VOA: standard.2010.06.18