Current population growth trends indicate that the number of threatened ... Extinction is the most serious, utterly irreversible effect of unsustainable human population. But unfortunately, many ...

Allee effects occur in small or sparse populations and, although rarely detected, are widely believed to be common in nature. Population growth of populations subject to Allee effects is reduced ...

This increase can be clearly seen in a graph of human population. better health care so people are living longer new medicines are being developed so people don’t die of previously fatal ...

physical and human capital accumulation. Finally, economic freedom and ethnic homogeneity are beneficial to growth, while democracy may have a small negative effect.

A new research study from The University of Alabama in Huntsville addresses the question of how much urban areas have warmed ...