The UN medium population projection is an unstable equilibrium

Energetic Limits to Economic Growth

(2011) James H. Brown et al.   BIOSCIENCE

The Outlook for Population Growth

(2011) R. Lee   SCIENCE

Industrial energy use and the human life history

(2011) Oskar Burger et al.   Scientific Reports

Current Demographics Suggest Future Energy Supplies Will Be Inadequate to Slow Human Population Growth

(2010) John P. DeLong et al.   PLoS One

Defining limits: Energy constrained economic growth

(2009) Willem P. Nel et al.   APPLIED ENERGY

Metabolic rate links density to demography in Tetrahymena pyriformis

(2009) John P DeLong et al.   ISME Journal

Advances in development reverse fertility declines

(2009) Mikko Myrskylä et al.   NATURE