Folks, of possible interest:
People and the planet report
http://royalsociety.org/policy/projects/people-planet/report/
Royal Society, PDF 134p
"Rapid and widespread changes in the world’s human population, coupled
with unprecedented levels of consumption present profound challenges
to human health and wellbeing, and the natural environment. This
report gives an overview of how global population and consumption are
linked, and the implications for a finite planet."
Regards
S. (Sam) Kritikos