Carbon intensity is defined as the amount of greenhouse gases emitted for each unit of nation income.

VOA: standard.2009.11.26

In many countries, women are half as likely as men to use fertilizers to increase the amount of crops.

VOA: special.2011.03.22

Using the same amount of land, the new wheat variety could produce three to four times as much food.

VOA: special.2009.11.10

A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of our activities.

VOA: special.2011.04.05

This makes it more difficult for the body to effectively use the same amount of oxygen as it would on the ground.

VOA: special.2009.07.14

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

They warn that the amount of junk in Earth's orbit is increasing and, as it does,the risks to satellites and space vehicles,also rise.

VOA: standard.2010.07.24

"Probably,they could count citizens of pre-war Poland [eastern Poland,annexed to the USSR by the Ribbentrop-Molotov pact as Soviet citizens, and this way enlarge the total amount of their losses.

VOA: standard.2009.09.01

"One of the things that this study was really helpful to show is that the amount of added sugar,as it increases, the triglycerides go up and the HDL goes down."

VOA: standard.2010.04.25