When you think about the scale of human populations all over the world and the fact that there's so much here, really,… — Sarah Parcak Copy Share Image
This planet might be able to support perhaps as many as half a billion people who could live a sustainable life in… — Eric Pianka Copy Share Image
The cutting of primeval forest and other disasters, fueled by the demands of growing human populations, are the overriding threat to biological… — E. O. Wilson Copy Share Image
In other words, people should be placed in parks within ecosystems instead of parks placed in human communities. We need vast areas… — Paul Watson Copy Share Image
