There are three sets of examples to discuss. They concern the way modern theories of economic growth view fertility and natural resources, the way population growth and economic stress in poor countries are studied by environmental and resource economists, and the way development economists accomodate environmental stress in their analysis of contemporary poverty. The examples are discussed in the next three sub-sections. If I grumble, there is cause. Not only have most among those who have been investigating economic growth, poverty, environmental stress, and fertility behaviour gone their own ways, judging by their citations there is little evidence they read beyond their particular fields of interest. One.