He found that mangroves store about three to four times more carbon per hectare as temperate forests or even tropical rainforests.

VOA: special.2011.05.10

"In high income countries such as the United States, the U.K.and Australia,death rates are around forty-five per hundred thousand per year.

VOA: special.2009.09.28

The team found levels of lead as high as thirty-two thousand parts per million in tests on some paint samples from Ecuador.

VOA: special.2009.08.31

By two thousand five, they say,farms in northern China produced about the same amount of corn per hectare as farms in the American Midwest.

VOA: special.2009.07.28

"A country such as Bangladesh or India, they average less than eight new implants per million.

VOA: special.2010.06.02

U.S.officials are setting up as many as throughout Port-au-Prince to feed more than 200,000 people per day.

VOA: standard.2010.01.26

"There's as many as 4,100 adult silver carp per mile here on the middle Illinois River."

VOA: standard.2010.07.20

It is not just domestic sales that jumped. Exports also increased by more than 18 per cent as demand increased for compact, fuel efficient cars in several countries.

VOA: standard.2009.03.13

The country had hoped to bring that figure down to 140 deaths per 100,000 births by 2015 as part of its commitment to its Millennium Development Goals,or MDGs.

VOA: standard.2009.11.10

India and China have been vocal in demanding that rich, developed countries, such as the United States, take the lead in cutting carbon emissions, which exceed theirs on a per capita basis.

VOA: standard.2009.11.27

"At a per-passenger-mile basis, rail is about three times as efficient as travel by car, in terms of fuel efficiency, and six times as efficient as travel by air, so there are pretty substantial pollution reduction benefits both in terms of greenhouse gases and other pollutants."

VOA: standard.2010.02.15