Some economists think the plan needs to provide as much as one trillion dollars or more to be effective.

VOA: special.2009.01.09

Carol Pandak says tests found the new vaccine to be thirty percent more effective than the trivalent vaccine.

VOA: special.2010.01.18

It can ensure that poor,rural people, whose lives and livelihoods, depend on the earth's productive capacity, have the means to produce more and to produce it better, GDP growth generated by agriculture has been shown to be at least twice as effective in reducing poverty as growth in other sectors. In recent years, more attention is being paid to the importance of smallholder farms.

VOA: standard.2010.03.29