Sentence examples for billion hectares from inspiring English sources

In 1999, according to WWF, the total came to 13.7 billion hectares.

Spread over 1.9 billion hectares, they are among the most complex environmental systems in the world.

By 2050, according to Tilman, the world will need a billion hectares more land for food.

The first may well be possible: of the estimated 3.3 billion hectares of land thought capable of supporting agriculture, only around 750m hectares is used today.

The area currently under cultivation is 1.5 billion hectares, so if all that extra land could be used it would represent an increase of one-third.

A new study by the World Resources Institute shows that about 1 billion hectares of land could be restored across the globe.

"When I come across people who say it's possible to re-green two billion hectares, I start observing the clouds".

"When we talk of creating five billion to seven billion hectares of new forests, we need to keep issues of biodiversity, land and community in mind.

Even taking the lower figure, with one billion hectares of forest in the world, if the rights to the sequestration of carbon dioxide are sold for just $10 a tonne that would generate $10 billion a year.Iwokrama is making money now, before it has even sold its ecosystem services.

It has already affected two billion hectares (22.5%) of the world's agricultural land, pasture, forest, and woodland (Gao and Liu 2010).

Forest ecosystems play a significant role in global carbon and water cycles because they cover over four billion hectares of the Earth's land surface (Dixon et al. 1994).