Today we're living in an era in which the biggest threat to human well-being, to other species and to the Earth as we know it might well be ourselves. The issue of population size is always controversial because it touches on the most personal decisions we make, but we ignore it at our peril.


How Many People Can Live on Planet Earth? (BBC Horizon, 2009)

David Attenborough Quotes

Today we're living in an era in which the biggest threat to human well-being, to other species and to the Earth as we know it might well be...

Today we're living in an era in which the biggest threat to human well-being, to other species and to the Earth as we know it might well be...

Today we're living in an era in which the biggest threat to human well-being, to other species and to the Earth as we know it might well be...

Today we're living in an era in which the biggest threat to human well-being, to other species and to the Earth as we know it might well be...