“…These studies include: the adoption of soil and water conservation practices in farming (Heffernan and Green, 1982;Lovejoy and Parent, 1982;Nowak, 1982;Taylor and Miller, 1978); the diffusion of earth-sheltered and/or solar energy systems (Combs and Madden, 1983;Combs et al, 1982;LaBay andKlnnear, 1981a, 1981b;Leonard-Barton, 1981a, 1981bLeonard-Barton, 1981b;McCray and Weber, 1981;Warkov, 1981); and the adoption of energy conservation practices in the home (Darley, 1978;Darley and Benlger, 1981).…”