Addressing the problem of human population growth must include a shift in cultural attitudes, which may well consist of changes in the social, political, educational and religious mindset. (dotearth.blogs.nytimes.com)
I think human population growth is THE problem, and the reason I will not be having children of my own. (ohladycakes.com)
Continued rapid human population growth makes it harder and more costly to solve all our problems. (dotearth.blogs.nytimes.com)