Whereas five types of surface (cultivated areas, pastures, forests, fisheries and built environment), planet Earth has approximately 13.4 billion
global hectares (gha) of biologically productive land and water according to 2010 data from the Global Footprint Network and humanity's ecological footprint reached the milestone of 2.7 global hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.sht
global hectares (gha) of biologically productive land and water according to 2010 data from the
Global Footprint Network and humanity's ecological footprint reached the milestone of 2.7 global hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.sht
Global Footprint Network and humanity's ecological footprint reached the milestone of 2.7
global hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.sht
global hectares (gha) per person in 2007 for a world population of 6.7 billion people on the same date (according to the UN)[See Article A terra no limite (Earth in the limit) by José Eustáquio Diniz Alves
available on the website < http://planetasustentavel.abril.com.br/noticia/ambiente/terra-limite-humanidade-recursos-naturais-planeta-situacao-sustentavel-637804.shtml >].
Global Footprint Network's most recent accounts reveal that Earth's biocapacity in 2008 was 12 billion hectares (ha) compared to humanity's Footprint of 18.2 billion ha, and that the average Ecological Footprint had reached 2.7 global hectares (gha) per capita compared to only 1.8 gha of available biocapacity per capit
Global Footprint Network's most recent accounts reveal that Earth's biocapacity in 2008 was 12 billion
hectares (ha) compared to humanity's Footprint of 18.2 billion ha, and that the average Ecological Footprint had reached 2.7
global hectares (gha) per capita compared to only 1.8 gha of available biocapacity per capit
global hectares (gha) per capita compared to only 1.8 gha of
available biocapacity per capita [5].