|
|
|
front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |review |
 |
Malthus wrote his essay in 1798 when the human population of the world was just a billion or so. The ensuing science-based increases in agricultural productivity supported a tripling of the human population by the middle of the 20th century.
http://www.sustainablescale.org/images/ |