Kevin Volpp,director of the University of Pennsylvania's Center for Health Incentives, says these programs make it easier to take that first step to change.

VOA: standard.2010.07.16

Administration officials say the United States needs to make sure it has a credible partner in the Afghan government before any change in strategy.

VOA: standard.2009.10.21

It described the target as a voluntary action, and predicted it would make a "major contribution" to global efforts to deal with climate change.

VOA: standard.2009.11.26

It's the venom. You have to make a choice.You could let the change happen.

VOA: standard.other

I completely failed to understand the depth of the kind of cultural transformation that we were going to have to make it we were ever going to deal with climate change."

VOA: standard.2010.04.21

"But also to take it a step further and think how we can - not only women but also men - how we can together change the status of women and make it better."

VOA: standard.2010.06.24

Indeed,volatile food prices, population growth, low agricultural productivity and the potentially devastating effects of climate change make it a particularly daunting challenge. The IFAD president says over the past 30 years, agricultural productivity in developing countries has been stagnant or in decline. He blames it on years of under-investment.

VOA: standard.2010.03.29