Malthusianism, eugenics, and carrying capacity in the interwar period -- War and nature: Fairfield Osborn, William Vogt, and the birth of global ecology -- Abundance in a sea of poverty : quality and quantity of life -- "Feed 'em or fight 'em: population and resources on the global frontier...

The Malthusian Moment locates the origins of modern American environmentalism in a twentieth-century revival of interest in Thomas Malthus's theory of population growth, shedding new light on some of the big stories of postwar American life: the role of the federal government, urban and suburban...

We explore whether environmental motivation affects environmental behavior by focusing on volunteering. The paper first introduces a theoretical model of volunteering in environmental organizations. In a next step, it tests the hypothesis working with a large micro data set covering 32 countries...