First, global population growth is slowing to a halt and will begin to shrink within 60 years.
Second, as the work of economist Julian Simon demonstrated, growing populations lead to increased innovation and conservation. Since 1970, commodity prices have continued to fall and America's environment has become much cleaner and more sustainable—even though our population has increased by more than 50%.
Human ingenuity, as it turns out, is the most precious resource of all.
