As an example, let us look at the growth of absolute global human population numbers. (realclimate.org)
That is an approximately 40 % increase in absolute global human population numbers in the next 42 years. (dotearth.blogs.nytimes.com)
The potential causes of global human population growth have seemed to them so complex, obscure, or numerous that a strategy to address the problems posed by the recent, menacing growth of the human species has been assumed to be unknowable. (dotearth.blogs.nytimes.com)