Assertion: ecological footprint | /r/HasProperty | 7.0 billion gha
Facets:
value: in 1961
type: TEMPORAL
Source sentences:
text: Humanity's ecological footprint was 7.0 billion gha in 1961 and increased to 20.6 billion gha in 2014.
text: Humanity's ecological footprint was 7.0 billion gha in 1961 and increased to 20.6 billion gha in 2014.