Does the sparse setting lend more of an opportunity to take the most advantage of natural resources?
Anyone with an acre or more can build a hybrid home. Many places are suitable for the harvesting of natural elements and house design, but each piece of land has its own advantages and challenges. As part of my business, I plan to consult for people interested in building their own hybrid homes, which will include evaluating their property before they build. I built my hybrid house on a 1.3 acre lot burdened with many easements. We squeezed it in, but I think that anything smaller than one acre would possibly face some limitations to an ultimate design because of nearby structures, trees not your own, covenants and codes. Being within the city limits can present some limiting factors relating to location, local codes etc. But every home, planned or existing, can be fitted to do something to generate and/or save energy and water, whether by installing solar panels or by collecting rain water from the roof for irrigation. Even small changes help in the greater picture of the positive eff